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delta-lactone +     
pyranone +     
(+)-Asperlin 
(+)-calanolide A 
(+)-neocitreoviridin 
(+)-Penicilliode C 
(+)-robillapyrone 
(+/-)-7-Hyrdoxypyrenocine M 
(+/-)-Pyrenocine Q 
(-)-(Z)-Tetrahydro-6-(2-pentenyl)-2H-pyran-2-one 
(-)-4-deoxy-8R-hydroxyphomapyrone C 
(-)-4-deoxy-8S-hydroxyphomapyrone C 
(-)-annularin C 
(-)-calanolide B 
(-)-camphanic acid 
(-)-Isopenicilliode C 
(1'S,2'R)-LL-P880gamma 
(10R)-nocapyrone L 
(10S)-nocapyrone L 
(1R,4R,5R,8S)-8-hydroxy-4,8-dimethyl-2-oxabicyclo[3.3.1]nonan-3-one 
(1S)-(-)-Camphanic acid 
(1S,2R,3R,5'R,6R)-5'-(furan-3-yl)-3,6,7-trimethylspiro[9-oxatricyclo[5.2.2.01,6]undecane-2,3'-oxolane]-2',8-dione 
(2S)-2-[(1S)-1-Hydroxypentyl]-4-methoxy-2,3-dihydropyran-6-one 
(2S)-2-methylbutanoic acid [(1S,3R,7S,8S,8aS)-8-[2-[(2R,4R)-4-hydroxy-6-oxo-2-oxanyl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] ester 
(2S)-2-methylbutanoic acid [(1S,7S,8S,8aS)-8-[2-[(2R,4R)-4-hydroxy-6-oxo-2-oxanyl]ethyl]-7-methyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] ester 
(2S)-2-methylbutanoic acid [(7S,8S,8aR)-8-[2-[(2R)-4-hydroxy-6-oxo-2-oxanyl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] ester 
(2S,3R,5S)-(-)-2,3-dihydroxytetradecan-5-olide 
(2S,3S,4S)-3,4-dihydroxy-2-methyl-7-[(2R,3R)-3-methyloxiran-2-yl]-3,4-dihydro-2H-pyrano[3,2-c]pyran-5-one 
(2′-oxodelitpyrone A 
(3R*,4S*,5R*,6S*)-tetrahydro-4-hydroxy-3,5,6-trimethyl-2-pyranone 
(3R,4R,4aR,6R)-4,8-Dihydroxy-6,7-epoxy-3,4,4a,5,6,7-hexahydro-1H-2-benzopyran-1-one 
(3S)-3beta-(3-Furyl)-4alpha-hydroxy-7alpha,5alpha-(epoxymethano)-5-methyl-3,4,5,6,7,8-hexahydro-1H-2-benzopyran-1,10-dione 
(3S,4R)-dihydroxy-(6S)-undecyl-alpha-pyranone 
(4aS,5R,6S)-4a,5-dihydroxy-3-(methoxymethyl)-6-vinyl-4a,5,6,7-tetrahydro-4H-chromen-4-one 
(4R,6R)-6-[2-[(1S,2S,8S,8Ar)-8-hydroxy-2-methyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]ethyl]-4-hydroxy-tetrahydropyran-2-one 
(4S,6S)-3,4,5,6-Tetrahydro-4-hydroxy-6-methyl-2H-pyran-2-one 
(5-hydroxy-2-oxo-2H-pyran-4-yl)methyl acetate 
(5R,6R)-5-(chloromethyl)-5-hydroxy-6-(hydroxymethyl)-6-[(2S,3R)-2-methyl-3-(3-methylbut-2-enyl)oxiran-2-yl]oxan-2-one 
(5R,6R)-6-[(1E,3E,5E,7E,9E,11E)-9,11-dimethyltetradeca-1,3,5,7,9,11-hexaenyl]-5-methyloxane-2,4-dione 
(5R,6R)-6-ethyl-5-hydroxy-3-(methoxymethyl)-5,6,7,8-tetrahydro-4H-chromen-4-one 
(5R,7R,9R)-7,9-dihydroxy-5-decanolide 
(5R,7S)-5,7-dihydroxy-2-[(E)-prop-1-en-1-yl]-5,6,7,8-tetrahydro-4H-chromen-4-one 
(5R,7S)-5,7-dihydroxy-2-methyl-5,6,7,8-tetrahydro-4H-chromen-4-one 
(5R,7S)-5,7-dihydroxy-2-propyl-5,6,7,8-tetrahydro-4H-chromen-4-one 
(5S,6R)-5,6-dihydro-3,5,6-trimethylpyran-2-one 
(5S,6S)-5-methyl-6-[(2E,4E,6E)-octa-2,4,6-trien-2-yl]oxane-2,4-dione 
(6S,1S,2S)-hydroxypestalotin 
(7R)-(hydroxy(phenyl)methyl)-4H-pyran-4-one 
(E)-3-[3-(hydroxymethyl)-4-methoxy-6-oxopyran-2-yl]prop-2-enoic acid 
(E)-4-(propen-1-yl)-5,6-dihydro-2H-pyran-2-one 
(E)-6-(pent-2-en-1-yl)-2H-pyran-2-one 
(R,E)-5-(3-hydroxybut-1-en-1-yl)-4-methoxy-6-methyl-2H-pyran-2-one 
(S)-4-butoxy-6-((S)-1-hydroxypentyl)-5,6-dihydro-2H-pyran-2-one 
1,2-campholide +  
1,2-diacetyltrichagmalin C 
1,30-diacetyltrichagmalin F 
10-dehydroxy dihydrobotrydialone 
10-hydroxymucidone 
10-Methyldodecan-5-olide 
10-Methylundecan-5-olide 
10-Oxo-dihydrobotrydial 
10-Oxodihydrobotry-1(9),4(5)-diendial 
11-epichaetomugilin A 
11-G-219a 
11-G-219d 
11-G-219g 
11-O-methyldiplosporin 
11beta-hydroxycolobetaolactone D 
12-epi-trichobisvertinol D 
12E-bromoisorumbrin 
12E-dechloroisorumbrin 
15-acetyltrichagmalin C 
15-acetyltrichagmalin E 
15-O-acetylbruceolide 
15-O-propionylbruceolide 
15-oxo-ganodermalactone H 
17alpha-hydroxywithaferin A 
17alpha-hydroxywithanolide D 
17alpha-sitoindoside IX 
1′,2′-epoxi-delitpyrone A 
2,18-seco-lankacidinol A 
2,2-dimethylbutanoic acid [(7S,8S)-8-[2-[(2R)-4-hydroxy-6-oxo-2-oxanyl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] ester 
2,2-dimethylbutanoic acid [8-[2-(4-hydroxy-6-oxo-2-oxanyl)ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] ester 
2,3-dihydro-3beta-methoxy withaferin A 
2,3-dihydro-3beta-O-sulfate withaferin A 
2,3-Dihydromycoepoxydiene 
2,3-dihydrowithaferin A 
2-(hydroxymethyl)-6-methyl-4H-pyran-4-one 
2-[(1E)-3,4-dihydroxypent-1-en-1-yl]-6-oxooxan-3-yl (2E)-2-methylbut-2-enoate 
2-[2-(3,5-Dimethyl-2-oxo-cyclohexyl)-6-oxo-tetrahydro-pyran-4yl]-acetamide 
2-[2-[(3E,5E)-7-hydroxy-3,5-dimethyl-2-oxoocta-3,5-dienyl]-6-oxooxan-4-yl]acetamide 
2-ISOPRENYL-3-HYDROXY-5-METHYL-a-PYRONE 
2-methoxy-6-methyl-4H-Pyran-4-one 
2-methyl-4-pyrone 
2-methyl-5,6-dihydro-4-pyrone 
2-methyloctanoic acid 6-oxo-2-propenyl-3,6-dihydro-2H-pyran-3-yl ester 
2-PROPYL-3-HYDROXYETHYLENEPYRAN-4-ONE 
2-pyranones +   
A pyranone based on the structure of 2H-pyran-2-one and its substituted derivatives.
20-hydroxytubocapsanolide A 
22-epoxyberkeleydione 
23-hydroxytubocapsanolide A 
27-hydroxywithanone 
2H-pyran-2,6(3H)-dione 
2S,4R-Dimethyl-5S-hexanolide 
3,15-di-O-acetylbruceolide 
3,15-di-O-propionylbruceolide 
3,4-dihydroxy-2-methyl-7-propyl-3,4-dihydro-2H-pyrano[3,2-c]pyran-5-one 
3,5-Dihydro-3-oxo ML-236C 
3,5-Dihydro-3alpha-hydroxy ML-236C 
3,5-Dihydroxy-6-methyl-2,3-dihydro-4H-pyran-4-one 
3,6,7-Tri-epi-invictolide 
3,6-dihexyl-4-hydroxypyran-2-one 
3,6-Dihydro-2H-pyran-2-one 
3,7-Dihydroxy-5-octanolide 
3-((E)-2-carboxyethenyl)-5-(4-hydroxyphenyl)-4-pyrone-2-carboxylic acid 
3-(1-aminoethylidene)-6-methyl-2H-pyran-2,4(3H)-dione 
3-(2,4-dimethyl-6-oxo-3H-pyran-2-yl)-2-hydroxy-2-methylpropanoic acid 
3-(4-methoxy-2-oxo-2H-pyran-6-yl)-propanoic acid 
3-acetyltrichorabdal C 
3-ethyl-4-hydroxy-6-methylpyrone 
3-Hydroxy-2H-pyran-2-one 
3-hydroxy-8-((E)-10-hydroxy-10-methylpentenyl)-2,4-dimethyltetrahydropyranone 
3-methoxy-2-methyl-4-pyrone 
3-methoxy-3-epiradicinol 
3-oxo-2,11-dioxatricyclo[5.4.0.04,8]undeca-5,9-diene-10-carboxamide 
3-pyrones +  
30-acetyltrichagmalin F 
3alpha,6alpha-epoxy-4beta,5beta,27-trihydroxy-1-oxowitha-24-enolide 
3alpha-Acetoxymaoesin A, (rel)- 
3beta,13-dihydroxy-16-(hydroxymethylene)-13,17-seco-5alpha-androstan-17-oic acid, delta-lactone 
3beta-[(alpha-L-arabinopyranosyl)oxy]-20beta-hydroxyursan-28-oic acid delta-lactone 
3′-hydroxydelitpyrone D 
4'-epi-Chaetomugilin A 
4-(2-Methyl-6-oxopyran-3-yl)butanoic acid 
4-(fluoromethyl)-4-hydroxy-2-oxanone 
4-(hydroxymethyl)-5-hydroxy-2H-pyran-2-one 
4-deoxy-11-hydroxyphomapyrone C 
4-deoxy-11-methylphomapyrone C 
4-deoxy-7-hydroxyphomapyrone C 
4-deoxyphomapyrone C 
4-epi-citreoviridin 
4-epiradicinol 
4-ethyl-2H-pyran-2-one-6-carboxylic acid 
4-ethyl-3-hydroxy-6-propenyl-2H-pyran-2-one 
4-hydroxy-2-methyl-7-[(E)-prop-1-enyl]-3,4-dihydro-2H-pyrano[3,2-c]pyran-5-one 
4-Hydroxy-2H-pyran-3-carboxaldehyde 
4-Hydroxy-3,5,6-trimethyl-2H-pyran-2-one 
4-hydroxy-3,6-dimethyl-2-pyrone 
4-hydroxy-6-[2-(2-methyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl)ethyl]oxan-2-one 
4-hydroxymellein 
4-hydroxymucidone 
4-methoxy-6-methyl-5-(3-oxobutyl)-2H-pyran-2-one 
4-methoxy-6-pentylpyran-2-one 
4-Methyl-5-hexanolide 
4-methyl-6-phenyl-5,6-dihydro-2H-pyran-2-one 
4-pyranones +   
5,6-Dihydro-4-methoxy-2H-pyran-2-one 
5,6-dihydro-4-methoxy-6-hydroxymethyl-2H-pyran-2-one 
5,6-dihydro-5(S)-acetoxy-6(S)-(1,2-trans propenyl)-2H-pyran-2-one 
5,6-Dihydro-6-pentyl-2H-pyran-2-one 
5,6-dimethyl-4-oxo-4H-pyran-2-carboxylic acid 
5-(1-hydroxybutyl)-4-methoxy-6-methyl-2H-pyran-2-one 
5-(3-Aminopropylphosphanyloxy)-2-(hydroxymethyl)pyran-4-one 
5-(Hydroxymethyl)-6-(1-hydroxypropyl)-4-methoxypyran-2-one 
5-butyl-4-methoxy-6-methyl-2H-pyran-2-one 
5-butyl-6-(hydroxymethyl)-4-methoxy-2H-pyran-2-one 
5-Deoxy-7-hyrdoxypyrenocine M 
5-Deoxydiplosporin 
5-epi-citreoviridin 
5-epi-isocitreoviridin 
5-hydroxy-4-methoxy-5,6-dihydro-2H-pyran-2-one 
5-hydroxy-4-pentenoic acid d-lactone 
5-Hydroxymaltol 
5-Hydroxyphomopsinone A 
5-methoxycochlione B 
5-methyl-3-(2-methylbutyl)-6-pentan-2-ylpyran-2-one 
5-valerolactone +  
5alpha,6beta,17alpha,27-tetrahydroxywithanolide 
5alpha,6beta,17alpha-trihydroxywithanolide 27-O-beta-D-glucoside 
6'beta-Hydroxylovastatin 
6,7-(E)-Phomopsolide A 
6-((1′S,2′R)-2′-propyloxiran-1-yl)-2H-pyran-2-one 
6-(1',2'-dimethyloxiran-1'-yl)-4-methoxy-3-methyl-2H-pyran-2-one 
6-(1,2-Dihydroxypentyl)-4-methoxy-5,6-dihydropyran-2-one 
6-(1-Hydroxy-pentyl)-4-methoxy-5,6-dihydro-pyran-2-one 
6-(2,4-Dihydroxy-3,5-dimethylhexyl)-4-hydroxy-3-methylpyran-2-one 
6-[(1'R,2'S)-dihydroxypentyl]-2H-pyran-2-one 
6-[(2E,6E)-4,5-Dihydroxy-4,6-dimethyl-7-(2,4,5-trimethyl-3,6-dioxabicyclo[3.1.0]hexan-2-yl)hepta-2,6-dien-2-yl]-4-methoxy-5-methylpyran-2-one 
6-[(7S,8R)-8-propyloxiran-1-yl]-4-methoxy-pyran-2-one 
6-[(E)-Hept-1-enyl]-alpha-pyrone 
6-butyl-3-hexyl-4-hydroxypyran-2-one 
6-Butyltetrahydro-2H-pyran-2-one 
6-heptyl-2H-pyran-2-one 
6-Heptyl-5,6-dihydro-2H-pyran-2-one 
6-Hexyltetrahydro-2H-pyran-2-one 
6-hydroxy-7-epi-phomopsinone A 
6-iodo-5-hydroxy-eicosa-8Z,11Z,14Z-trienoic acid gamma lactone 
6-nonyl-2H-pyran-2-one 
6-pentyloxan-2-one 
6-propyl-2H-pyran-2-one 
7-deacetyl-17-epinimolicinol 
7-deacetyl-7-benzoylgedunin 
7-deacetylgedunin 
7-deoxyechinosporin 
7-desmethylcitreoviridin 
7-hydroxycordylactam 
7R-hydroxymucidone 
8'-epi-cleomiscosin A 
8-Acetoxy pestalopyrone 
8-acetoxyheterophyllisine 
9,10-Dihydro-3-epi-radicinol 
9,10-epoxy-3-methoxy-3-epiradicinol 
9,13,13-Trimethyl-3-oxo-2-oxatetracyclo[7.6.1.01,6.012,15]hexadecane-5-carboxylic acid 
9-Hydroxylarone 
9-Hydroxymarasmic acid 
[(1S,3R,4S,6S,7R,8S,8aR)-4,6-dihydroxy-3,7-dimethyl-8-[2-[(2R)-6-oxo-2,3-dihydropyran-2-yl]ethyl]-1,2,3,4,6,7,8,8a-octahydronaphthalen-1-yl] (2S)-2-methylbutanoate 
[(1S,3R,7S,8R,8aS)-8-[2-[(2R,4R)-4-hydroxy-6-oxooxan-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] 2,2-dimethylbutanoate 
A-75943 
A-O-Methyldihydrobotrydialone 
Abybetaomicin W 
Acaranoic acid 
Acarenoic acid 
Acetylportentol 
Acropyrone 
Agarotetrol 
Agistatin D 
Alcanivorone 
aldono-1,5-lactone +  
Alkyldihydropyrone A 
Alkyldihydropyrone B 
Alkyldihydropyrone C 
Alkyldihydropyrone D 
Alkylpyrone-393 
Alkylpyrone-407 
Allantopyrone A 
Allixin 
alpha-Carboxy-delta-decalactone 
alpha-Carboxy-delta-nonalactone 
Ampelopyrone 
Angupyrone B 
Angupyrone C 
Angupyrone D 
Angupyrone E 
Annularin A 
Annularin B 
Annularin C 
Annularin D 
Annularin E 
Annularin F 
Annularin K 
Aogacillin A 
Aogacillin B 
Argutone 
arisugacin A 
arisugacin B 
arisugacin C 
arisugacin D 
Ascosalipyrone 
Aspergilsmin B 
Asperochrin C 
Asperversin A 
Asperversin B 
Aspyronol 
Asteltoxin G 
Asterreusin A 
Atranone L 
Atranone N 
Atranone P 
Atranone Q 
Atranone R 
Austinoneol 
Auxarconjugatin A 
Auxarconjugatin B 
Auxarconjugatin C 
Auxarconjugatin D 
beta-erythroidine +   
Beta-O-Methyldihydrobotrydialone 
Bikojic acid 
Biverlactone A 
Biverlactone B 
Boletunone A 
Botcinin D 
Botcinin E 
Botcinin F 
Botcinin H 
Botcinin I 
Botcinin K 
botrallin 
botryosphaerin H 
Botrysphin C 
brachialactone 
Brasilianoid H 
Brasilianoid L 
Brevione C 
Brevione D 
brevione F 
Brevione G 
Brevione H 
Brevione K 
Brevione M 
Bromomethylchlamydosporol A 
Bromomethylchlamydosporol B 
bruceanol D 
bruceanol E 
bruceanol F 
bruceine D  
bruceolide +  
bufadienolides +   
Butyl 2-(4-oxo-5,6-dihydro-2H-pyran-3-yl) acetate 
cacibiocin B 
Cadopherone C 
camptothecin  
Campyrone A 
Campyrone B 
Campyrone C 
Cartorimine 
cassiaside C2 
Chaephilone C 
chaetomugilin A 
Chaetomugilin B 
Chaetomugilin C 
chaetomugilin D  
Chaetomugilin E 
Chaetomugilin F 
chaetoviridin B 
chaetoviridin D 
Chaetoviridin K 
Chermesiterpenoid A 
Chermesiterpenoid B 
Childinin F 
Childinin G 
Chlamydospordiol 
Chlorohydroaspyrone A 
Chlorohydroaspyrone B 
Chondrosterin F 
chrysopine +  
cis-2-Methyl-5-hexanolide 
Citreo-g-pyrone 
Citreopyrone A 
Citreopyrone B 
Citreopyrone C 
Citreopyrone D 
Citreopyrone E 
Citreopyrone F 
Citreoviridin 1b 
Citreoviridin C 
Citreoviridin D 
Citreoviripyrone A 
Citreoviripyrone B 
CK13a 
Cladobotrin I 
Cladobotrin II 
Cladobotrin III 
Cladobotrin IV 
Cladobotrin V 
Cladobotrin VI 
Cladosporactone A 
Cladosporiumin J 
Cladosporiumin K 
Clearanol A 
Clearanol B 
cleomiscosin A 
Cochleamycin A 
Cochleamycin A2 
Cochlione A 
Cochlione C 
coetsin B 
Coibacin A 
Coibacin B 
Coibacin C 
Coibacin D 
Colletotrichin 
Colobetaolactone D 
colossolactone VII 
colossolactone VIII 
Conexipyrone A 
Conexipyrone B 
Conexipyrone C 
Coniellin I 
Conocenolide B 
Conosiligin D 
Convolvulopyrone 
Cordylactam 
Coriolopsin B 
Coumalic acid 
coumestan +   
coumestrol +   
coumestrol diacetate 
CR377 
Curvulapyrone 
cyathusal A 
cyathusal B 
cyathusal C 
Cycloepoxylactone 
Cytostatin 
D-asperlin 
D-galactaro-1,4-lactone 
D-glucaro-1,4-lactone 
Daldiniapyrone 
Davotremulane D 
Dayaolingzhilactone B 
Deacetylmycoepoxydiene 
deacetylpyripyropene E 
Dechloro-chaetomugilin A 
Dechloro-chaetomugilin D 
decursinol 
Dehydromonacolin K 
Dehydromonacolin N 
Delitpyrone A 
Delitpyrone B 
Delitpyrone C 
Delitpyrone D 
Delitpyrone E 
delta-hexadecalactone 
Delta-Hexanolactone 
delta-octanolide 
delta-Tetradecalactone 
Delta-Tridecalactone 
Deoxyanisatin 
Desoxypatulinic acid 
Dhilirolide D 
Dhilirolide E 
Dhilirolide I 
Diaporol A 
diethyl 2,6-dimethyl-4-oxo-4h-pyran-3,5-dicarboxylate 
dihydro-beta-erythroidine  
Dihydroaspirone 
Dihydrobotrydialone 
Dihydrophomopsolide A 
Dihydrophomopsolide B 
Dihydrospiciferone A 
Dihydrosterepolide 
Dikojiacid A 
Dikojiacid B 
Dinemasone B 
Dinemasone C 
Diplopyrone 
Diplosporin 
Dumetorine 
Dykellic acid 
dysolenticin A 
Echinosporin 
EI-1941-2 
ekatetrone 
Elasnin 
Elenolide 
Elijopyrone A 
Elijopyrone C 
Elijopyrone D 
Emerone A 
Emerone B 
Emerone C 
Enicoflavine 
Enmein 
Epipentalenolactone F 
Erinapyrone A 
Erinapyrone B 
Erinapyrone C 
Erythronolide I 
Ethyl maltol  
eurycomanone  
FD-211 
Fistupyrone 
fujikurin D 
Fusamine 
Fusarester A 
Fusarester E 
Fusarilactone A 
Fusarpyrone A 
Fuscin 
Fusopoltide A 
Fusopoltide B 
Fusopoltide C 
galaxolidone 
Ganodermalactone F 
Ganodermalactone I 
Ganodermalactone J 
Gelastatin A 
Gelastatin B 
Geniculol 
Gentianaine 
Gentioflavine 
Germicidin 
Germicidin A 
Germicidin B 
Germicidin C 
Germicidin H 
Germicidin I 
Germicidin J 
Germicidin K 
Germicidin L 
Germicidin M 
Germicidin N 
Germicidin O 
Gibepyrone B 
Gibepyrone C 
Gibepyrone D 
Gibepyrone E 
Gliomasolide G 
glycyrol  
Graphostrin H 
Grevilline A 
Gulypyrone A 
gutolactone 
Gymnoconjugatin A 
Gymnoconjugatin B 
Hainanmycin A 
hallactone B 
Halomadurone A 
Halomadurone B 
Halomadurone C 
Halomadurone D 
halopyranone +  
Helicascolide C 
Helicascolide D 
Helicascolide E 
Helipyrone 
Herbarin B 
Herierin III 
Herierin IV 
Herierin V 
Herpotrichone A 
Herpotrichone B 
hippeastrine 
Homopyrone B 
Hydroxy neovasinin 
Hydroxypestalopyrone 
Ieodomycin B 
inumakilactone 
inumakilactone B 
irinotecan  
Islandic acid-II 
isobrucein A 
isocoumarins +   
Isodehydracetic acid 
Isodonal 
Isogermicidin A 
Isogermicidin B 
isosojagol 
Jasmine lactone 
Jerangolid A 
kadsuphilactone B 
Kimbelactone A 
Kojic acid dimethyl ether 
L-Arabino-1,5-lactone 
Lachnumlactone A 
Lactomycin B 
lamellarin alpha 20-hydrogen sulfate 
lancilactone C 
Lasiolactone 
Lecanicillolide 
Lentinellic acid 
Lepidepyrone 
Leustroducsin A 
Leustroducsin B 
Leustroducsin C 
Libertellenone L 
LL P880 beta 
LMA-P2 
lovastatin +   
LSM-4394 
LSM-4450 
Ludongnin F 
Ludongnin G 
Ludongnin H 
Ludongnin I 
Lunatinin E 
Luteusin C 
Luteusin D 
Macquarimicin A 
Macquarimicin B 
Macrophin 
Malbranpyrrole A 
Malbranpyrrole B 
Malbranpyrrole C 
Malbranpyrrole D 
Malbranpyrrole E 
Malbranpyrrole F 
Maltol propionate 
Maltyl isobutyrate 
Malyngamide T 
Mangromicin A 
Mangromicin B 
Mangromicin C 
Mangromicin D 
Mangromicin F 
Mangromicin G 
Mangromicin H 
Mangromicin I 
maoecrystal Z 
Maoesin A, (rel)- 
Maoesin F 
Marasmic acid 
Marilactone 
Marinactinone A 
Marinactinone B 
Marinactinone C 
Marinopyrone A 
Marinopyrone B 
Marinopyrone D 
meadowlactone 
methyl 4-methyl-2-oxo-2H-pyran-6-carboxylate 
Methyl 6-oxo-3, 6-dihydro-2H-pyran-4-carboxylate 
methyl \{[(2-oxo-2H-pyran-6-yl)carbonyl]amino\}methanethioate 
methyl brevifolincarboxylate 
Methyl convolvulopyrone 
Methyl isoverrucosidinol 
Methyl norpenicyrone 
Methyl penicyrone 
Miaolienone 
minabeolide 1 
minabeolide 2 
minabeolide 4 
minabeolide 5 
minabeolide 8 
Monacolin K 
Monacolin M 
Monacolin X 
monapinone E +  
Mucidone 
Multiforisin A 
Multiforisin B 
Multiforisin C 
Multiforisin D 
Multiforisin E 
Multiforisin G 
Multiforisin H 
Multiforisin I 
Murranopyrone 
Mycoepoxydiene 
N-[1-(4-Methoxy-6-oxopyran-2-yl)-2-methylbutyl]acetamide 
N-[1-(4-Methoxy-6-oxopyran-2-yl)-2-methylpropyl]acetamide 
N-acetyl-D-galactosamino-1,5-lactone 
Nafuredin B 
nagilactone F 
Necpyrone A 
Necpyrone B 
Necpyrone C 
Necpyrone D 
Necpyrone E 
Nectriapyrone C 
Neoabybetaomicin A2 
Neocitreoviridin 
Neovasipyrone A 
Neovasipyrone B 
Nigrosporapyrone 
Nigrosporapyrone A 
Nigrosporapyrone B 
Nigrosporapyrone C 
nimolicinol 
Nipyrone A 
Nipyrone B 
Nipyrone C 
Nocapyrone A 
Nocapyrone D 
Nocapyrone H 
Nocapyrone I 
Nocapyrone L 
Nocapyrone Q 
Nocapyrone R 
Nocapyrone S 
Nocardiopyrone A 
Nocardiopyrone B 
Nodosin  
Norpenicyrone 
Norverrucosidinol acetate 
Novae-zelandin B 
Novaezelandin A 
obochalcolactone 
Osmundalactone 
Oxirapentyn K 
palmariol B 
Paralactonic acid A 
Paralactonic acid B 
paraminabeolide A 
paraminabeolide B 
Paraphaeosphaeride B 
Pellasoren A 
Pellasoren B 
Penichrypyrone A 
Penicipyranone 
Penicoffeazine A 
Penicyclone A 
Penicyrone A 
Penicyrone B 
Pentalenolactone B 
Pentalenolactone G 
Pentalenolactone H 
Pentalenolactone P 
Pestaloficiol A 
Pestaloficiol F 
Pestaloficiol I 
Pestalotheol A 
Pestalotheol B 
Pestalotheol E 
Pestalotheol F 
Pestalotheol G 
Pestalotheol P 
Pestalotheol Q 
Pestalotiopyrone A 
Pestalotiopyrone B 
Pestalotiopyrone C 
Pestalotiopyrone D 
Pestalotiopyrone E 
Pestalotiopyrone F 
Pestalotiopyrone G 
Pestalotiopyrone H 
Pestalotiopyrone J 
Pestalotiopyrone K 
Pestalotiopyrone N 
Petchine 
Peyronellin A 
Peyronellin B 
phelligridimer A 
phelligridin G 
Phenoxan 
Phomanone B 
Phomanone C 
Phomapyrone B 
Phomapyrone D 
Phomapyrone E 
Phomapyrone G 
Phomenin B 
Phomopsinone A 
Phomopsinone B 
Phomopsinone C 
Phomopsinone D 
Phomopsolide B 
Phomopyrone A 
Phomoxydiene A 
Phosdiecin A 
Phosdiecin B 
Phoslactomycin E 
Phoslactomycin I 
Photopyrone A 
Photopyrone B 
Photopyrone C 
Photopyrone D 
Photopyrone E 
Photopyrone F 
Photopyrone G 
Photopyrone H 
Pilatin 
Plymuthipyranone A 
Plymuthipyranone B 
Poppy acid 
Portentol 
pravastatin lactone 
Prelactone B 
Prelactone C 
Prolipyrone A 
Prolipyrone B 
Protulactone B 
Prugosene A1 
Prugosene A2 
Prugosene A3 
Pseudopyronine A 
psoralidin  
Purpurogemutantin 
Purpurogenolide B 
PX-866  
Pycnophorin 
Pyranone A 
Pyranonigrin F 
Pyranonigrin S 
Pyranoviolin A 
Pyranterrone F 
Pyranterrone G 
Pyranterrone H 
Pyrenochaetolide B 
Pyrenocine C 
Pyrenocine D 
Pyrenocine F 
Pyrenocine I 
Pyrenocine J 
Pyrenocine K 
Pyrenocine L 
Pyrenocine M 
Pyrenocine P 
Pyrenocine R 
Pyrronazol A1 
Pyrronazol A2 
Pyrronazol B 
Pysarone A 
Quadrone 
quassimarin 
rabdosichuanin A 
Radicinol 
Ratjadone D 
Rhodocorane A 
Rhodocorane F 
Rhodocorane G 
Rhytismatone A 
Rhytismatone B 
Rosellisin aldehyde 
RP-1551-1 
RP-1551-6 
RP-1551-M1 
rubitecan  
Rumbrin 
S-632-C 
Saccharomonopyrone A 
Saccharomonopyrone B 
Saccharomonopyrone C 
Salinilactone A 
Salinilactone B 
Salinilactone C 
Salinilactone D 
Salinilactone E 
Salinilactone F 
Salinilactone G 
Salinilactone H 
samaderine E 
samaderine X 
samaderine Y 
samaderine Z 
Scedogiine G 
Sch 419560 
schisanlactone A 
Scirpyrone A 
Scirpyrone C 
Scirpyrone K 
Scopupyrone 
semiviriditoxin +  
Setosphapyrone A 
Setosphapyrone B 
Setosphapyrone C 
Setosphapyrone D 
Shikodonin 
simalikalactone D 
Simple Pyrone 2 
Simple Pyrone 3 
simvastatin  
Sistopyrone 
sitoindoside IX 
SN-38 +   
sojagol 
Solanapyrone F 
Solanapyrone G 
Solanapyrone J 
Solanapyrone K 
Solanapyrone L 
Solanapyrone M 
Solanapyrone N 
Solanapyrone P 
Solanapyrone Q 
Solanapyrone R 
Solanopyrone A 
Solanopyrone B 
Solanopyrone C 
Sorangipyranone 
Spiciferone A 
Spiciferone B 
Spiciferone C 
Spiciferone H 
Spiromarmycin 
Spliceostatin E 
splitomicin  
Stachatranone B 
Stachatranone C 
Stemphypyrone 
Sterelactone A 
Sterelactone B 
Sterelactone C 
Sterelactone D 
Stereumin K 
Stereumin L 
Stereumin Q 
Streptaspironate C 
Streptoglutarimide G 
Streptopyrone 
Streptpyrone A 
Sultriecin 
Surugapyrone A 
Terreinlactone A1 
Terreinlactone A2 
Tetrahydro-4-hydroxy-6-propylpyran-2-one 
Tirandamycin D 
Tolypocladone A 
Tolypocladone B 
Tomophagusin D 
Tomophagusin H 
trichagmalin A 
trichagmalin B 
trichagmalin C +  
trichagmalin D 
trichagmalin E +  
trichagmalin F +  
trichanolide 
Trichobisvertinol D 
Trichodermanone D 
Tricholactone 
Trichophycin B 
Trichophycin F 
Trichopyranone A 
Trichopyrone 
trifloroside 
Truncateol M 
tubocapsanolide A +  
tubocapsanolide F 
Udagawanone A 
Udagawanone B 
Udalactarane A 
Ukulactone A 
Ukulactone B 
Varilactone A 
Varilactone B 
Vatiamide C 
Vatiamide D 
Vermeerin 
Vernolepin 
Vernomenin 
Verrucosidin 
Verrucosidinol acetate 
Vibralactone Y 
Violapyrone A 
Violapyrone B 
Violapyrone C 
Violapyrone D 
Violapyrone F 
Violapyrone G 
Violapyrone H 
Violapyrone I 
Violapyrone J 
Viridepyronone 
viscosalactone B 
VLP Q 
VLP R 
VLP S 
VLP T 
wedelolactone  
withaferin A +   
withalongolide A 
withalongolide B 
withalongolide C 
withalongolide D 
withalongolide E 
withalongolide F 
withalongolide G 
withalongolide H 
withalongolide I 
withalongolide J 
withalongolide K 
withalongolide L 
withalongolide M 
withalongolide N 
withanolide D +  
withanone 27-O-beta-D-glucoside 
Wortmannilactone E 
Wortmannilactone F 
Wortmannilactone H 
Wortmannilactone I1 
Wortmannilactone I2 
Wortmannilactone I3 
Wortmannilactone M 
Wortmannilactone N 
wortmannin +   
Wortmannine A 
Wortmannine B 
Wortmannine B1 
Wortmannine B2 
Wortmannine B3 
Wortmannine B4 
Wortmannine F 
Xeniolit A 
xi-2,3-Dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one 
xi-5-Dodecanolide 
xi-Tetrahydro-3-nonyl-2H-pyran-2-one 
xi-Tetrahydro-3-pentyl-2H-pyran-2-one 
xi-Tetrahydro-3-propyl-2H-pyran-2-one 
Xylaolide A 
Xylapyrone E 
Xylapyrone F 
Xylariaopyrone B 
Xylariaopyrone C 
Xylariaopyrone D 
Xylariolide D 
Xylariolide E 
Xylariolide F 
Xylaripyrone A 
Xylaropyrone 
Xylaropyrone B 
Xylaropyrone C 
xylocarpin J 
yadanziolide B 
yadanziolide T 
yadanziolide U 
yadanziolide V 
Zofiellone 
Zoumbericin B 
 hispidin  
 jasmolactone +  
 Kawain 
 mevastatin +   
 ML-236C +  
 monacolin J +  
 monacolin L +  
 solanapyrone +  
 Yangonin  

Synonyms
Related Synonyms: 2-oxo-2H-pyrans ;   2-pyrones ;   2H-pyran-2-ones ;   alpha-pyrones ;   pyran-2-ones

paths to the root