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alkaloid +     
guanidines +     
iminium ion +     
pyrrolopurine +     
(+)-aplysinillin 
(+)-Aspidospermidine 
(+)-Erythraline  
(+)-Norushinsunine N-oxide 
(+)-Quebrachidine 
(+)-Setoclavine 
(+/-)-gamma-Lycorane 
(-)-12beta-Hydroxylsophocarpine 
(-)-Alstolucine A, (rel)- 
(-)-Alstolucine B, (rel)- 
(-)-Alstolucine C 
(-)-Alstolucine D, (rel)- 
(-)-Alstolucine E 
(-)-Alstolucine F 
(-)-antofine  
(-)-Apparicine 
(-)-demecolcine  
(-)-dibromophakellin 
(-)-Ormosanine 
(-)-Pyrifolidine 
(-)-Quebrachamine 
(13R,14E)-14-Ethylidene-12-methylidene-1,10-diazatetracyclo[11.2.2.03,11.04,9]heptadeca-3(11),4,6,8-tetraene 
(1R,1'R,10S,11S,12S,13'S,14'R)-12,14'-Diethylspiro[8,14-diazapentacyclo[9.5.2.01,9.02,7.014,17]octadeca-2,4,6,8-tetraene-10,10'-8,16-diazahexacyclo[11.5.2.11,8.02,7.016,19.012,21]henicosa-2,4,6,12(21)-tetraene] 
(1R,13S,14E,19S,21S)-10-[(1R,12S,13R,14E,17R,19S,21S)-14-Ethylidene-9-oxo-8,16-diazahexacyclo[11.5.2.11,8.02,7.016,19.012,21]henicosa-2,4,6,10-tetraen-17-yl]-14-(2-hydroxyethylidene)-8,16-diazahexacyclo[11.5.2.11,8.02,7.016,19.012,21]henicosa-2,4,6,11-tetraen-9-one 
(1R,15R,17S)-17-Ethyl-6-[(1R,14R,15E)-15-ethylidene-17,18-dimethyl-10,17-diazatetracyclo[12.3.1.03,11.04,9]octadeca-3(11),4,6,8-tetraen-12-yl]-3,13-diazapentacyclo[13.3.1.02,10.04,9.013,18]nonadeca-2(10),4(9),5,7-tetraene 
(1R,2R,12R,14S)-9-Methoxy-4-methyl-11-oxa-4-azatetracyclo[8.6.1.01,12.06,17]heptadeca-6(17),7,9,15-tetraene-2,14-diol 
(1R,2S,6S,11S,13R,14R,21R)-7,19,23-Triazahexacyclo[9.9.1.11,13.12,6.07,21.014,19]tricosane 
(1R,9R)-5-Cyclohexyl-11-(propylsulfonyl)-7,11-diazatricyclo[7.3.1.02,7]trideca-2,4-dien-6-one 
(1S,15S,18S,19S,20S)-N-[2-(4-aminophenyl)ethyl]-18-hydroxy-1,3,11,12,14,15,16,17,18,19,20,21-dodecahydroyohimban-19-carboxamide 
(1S,9R,10R,12S)-12-Hydroxy-7,15-diazatetracyclo[7.7.1.02,7.010,15]heptadeca-2,4-dien-6-one 
(2'S)-Hydroxy-(11S,12R)-dihydrostemofoline, (rel)- 
(2'S)-Hydroxystemofoline 
(2R)-2-carbamimidamido-2-cyclohexyl-N-(2-\{4-[3-(2,3-dichlorophenyl)-1H-pyrazol-5-yl]piperidin-1-yl\}-2-oxoethyl)acetamide 
(2R,3R,11Bs)-2-[(6,7-dimethoxy-3,4-dihydroisoquinolin-1-yl)methyl]-3-ethyl-9,10-dimethoxy-2,3,4,6,7,11b-hexahydro-1H-pyrido[2,1-a]isoquinoline 
(2R,3S,11bR)-2-[[(1S)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl]-3-ethyl-9,10-dimethoxy-2,3,4,6,7,11b-hexahydro-1H-benzo[a]quinolizine 
(2S)-3-(7-carbamimidoylnaphthalen-2-yl)-2-[4-(\{1-[(1E)-ethanimidoyl]piperidin-4-yl\}oxy)phenyl]propanoic acid 
(2S)-amino[(4R)-2-iminohexahydropyrimidin-4-yl]acetic acid 
(2S,3R)-2-[(6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl]-3-ethyl-9,10-dimethoxy-2,3,4,6,7,11b-hexahydro-1H-benzo[a]quinolizine 
(2S,3R)-2-[[(1R)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl]-3-ethyl-9,10-dimethoxy-2,3,4,6,7,11b-hexahydro-1H-benzo[a]quinolizine 
(2S,3R)-capreomycidine 
(2S,4R)-1-acetyl-N-[(1S)-4-[(aminoiminomethyl)amino]-1-(benzothiazol-2-ylcarbonyl)butyl]-4-hydroxypyrrolidine-2-carboxamide 
(3-Aminopropoxy)guanidine 
(3R,6R,8aS)-6-[(benzylsulfonyl)amino]-N-(3-carbamimidamidopropyl)-5-oxohexahydro-5H-[1,3]thiazolo[3,2-a]pyridine-3-carboxamide 
(3S)-3-hydroxy-L-arginine 
(4aR,5aS,8aR,15bR)-10,11-dimethoxy-4a,5,5a,7,8,13a,15,15a,15b,16-decahydro-2H-4,6-methanoindolo[3,2,1-ij]oxepino[2,3,4-de]pyrrolo[2,3-h]quinoline-14-one 
(4aR,8aR,15bR)-4a,5,5a,7,8,13a,15,15a,15b,16-decahydro-2H-4,6-methanoindolo[3,2,1-ij]oxepino[2,3,4-de]pyrrolo[2,3-h]quinoline-14-one 
(4R,5S,6S,7R)-4,7-dibenzyl-5,6-dihydroxy-1,3-bis[4-(hydroxymethyl)benzyl]-1,3-diazepan-2-ylidenecyanamide 
(6S,8aS)-2-(benzylsulfonyl)-N-\{[1-(N'-hydroxycarbamimidoyl)piperidin-4-yl]methyl\}-4-oxooctahydropyrrolo[1,2-a]pyrazine-6-carboxamide 
(7S)-7-acetamido-1,2,3-trimethoxy-6,7-dihydro-5H-dibenzo[5,3-b:1',2'-e][7]annulene-9-carboxylic acid 
(7S,14S)-(-)-7-Methyl-10-O-demethylxylopinine 
(8S,Z)-6-((2R,E)-6-hydroxy-2,5-dimethylhept-4-en-1-ylidene)-8-methyloctahydroindolizin-8-ol 
(E)-Avenanthramide D 
(N(omega)-L-arginino)succinic acid  
(R,S)-Scoulerine  
(S)-1-hydroxy-N-methylcanadine +  
(S)-colchicine  
1',2'-didehydrostemofoline 
1,2-O-Diacetylzephyranthine 
1,3-diphenylguanidine +   
1,4-diguanidinobutane 
1-(4-carboxy-2-guanidinophenyl)-5,5-bis(hydroxymethyl)pyrrolidin-2-one 
1-(4-tert-butylcarbamoylpiperazin-1-ylcarbonyl)-3-(3-guanidinopropyl)-4-oxoazetidine-2-carboxylic acid 
1-[(1R,9S,11R,12E,17S)-12-Ethylidene-10-(hydroxymethyl)-8,14-diazapentacyclo[9.5.2.01,9.02,7.014,17]octadeca-2,4,6-trien-8-yl]ethanone 
1-dodecylguanidine 
1-guanidino-1-deoxy-scyllo-inositol 
1-hydroxyprotostemonine, (rel)- 
1-methoxy-5R,10S-agroclavine 
1-Methylguanidine hydrochloride 
1-O-Acetyllycorine 
1-piperideinium 
10-alpha-methoxy-9,10-dihydrolysergol 
11-(Methylthiono)canthin-6-one 
11-beta-hydroxy-beta-saxitoxinol(2+) 
11-beta-hydroxysaxitoxin(2+) 
11-Hydroxytubotaiwine 
11-Hydroxyvittatine 
11-Methoxyduguesuramine 
11-Methoxysampangine 
12-Ethylidene-6-hydroxy-8,14-diazapentacyclo[9.5.2.01,9.02,7.014,17]octadeca-2(7),3,5,9-tetraene-10-carbaldehyde 
13-O-Acetylbaptifoline 
13-Oxocryptopine 
14,15-Dehydro-16-epi-vincamine 
14,19-Didehydrocondyfolan 
14,19-Dihydroaspidospermatine 
14-norpseurotin A 
15-hydroxyangustilobine A 
16-epivincamine 
16-Ethoxystrychnine 
16-Propoxystrychnine 
16R,19E-isositsirikine 
18-Epiormosanine 
18-Hydroxy-11,17-dimethoxyyohimban-16-carboxylic acid 
19,20-E-vallesamine 
19-Acetyltabersonine 
19-Hydroxytabersonine 
1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol 
1D-3-amino-1-guanidino-1,3-dideoxy-scyllo-inositol 
2'-hydroxystemofoline 
2,3,9,10-Tetrahydroxyberberine 
2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline 
2-(4-\{5-[(1H-benzimidazol-2-ylamino)methyl]thiophen-2-yl\}-1,3-thiazol-2-yl)guanidine 
2-(7-aminoheptyl)guanidine 
2-(8-Oxo-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocin-3(4H)-yl)acetamide 
2-[2-(azocan-1-yl)ethyl]guanidine 
2-[5-(benzylamino)-2-(methylsulfanyl)-6-oxopyrimidin-1(6H)-yl]-N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]acetamide 
2-[5-amino-2-(3-methylphenyl)-6-oxopyrimidin-1(6H)-yl]-N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]acetamide 
2-[6-(methoxymethyl)-4-oxo-1H-pyrimidin-2-yl]-1-(4-methylphenyl)guanidine 
2-\{3-[(3S,8aS)-1,4-dioxooctahydropyrrolo[1,2-a]pyrazin-3-yl]propyl\}guanidine 
2-\{[(2E)-3-(3,4-dihydroxyphenyl)-1-hydroxyprop-2-en-1-ylidene]amino\}-5-hydroxybenzoic acid 
2-amino-6-(aminomethyl)-5-methylidene-4-oxo-1,4,5,6,7,8-hexahydropteridin-5-ium 
2-Bromo-5-hydroxy-N-[2-(4-hydroxyphenyl)ethyl]-4-methoxy-N-methylbenzamide 
2-deoxystreptidine 
2-guanidinopropionic acid 
2-Methoxycanthin-6-one 
2-methyl-1-pyrrolinium 
2-phenylethylamine +   
20(R)-tubotaiwine 
20(S)-tubotaiwine 
20-Epi-19,20-dihydro-decarbomethoxy vobasine 
2alpha-(2'-pyrrolyl)-4alpha-methoxycarbonyl-5beta-[(2''-methyl)-heptyl]-1,3-oxazacyclohexane 
3''-adenylylstreptomycin 
3,4-dimethoxyphenylethylamine 
3,5-diamino-N-[amino-[(2,4-dichlorophenyl)methylimino]methyl]-6-chloro-2-pyrazinecarboxamide 
3,5-diamino-N-[amino-[(3,4-dichlorophenyl)methylimino]methyl]-6-chloro-2-pyrazinecarboxamide 
3,9-dimethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline-2,10-diol 
3-(4-methoxyphenyl)-3-[[2-(4-methoxyphenyl)-1-oxoethyl]amino]propanoic acid 
3-(6-chloro-3-pyridinyl)-7-azabicyclo[2.2.1]heptane 
3-Acetylnerbowdine 
3-Epidemissidine 
3-Epifortuneine 
3-Epimacronine 
3-Epischelhammericine 
3-guanidinopropanoic acid  
3-methylarginine +  
3-O-Acetylhamayne 
4-(21-amino-4,9,12-trioxo-16,19-dioxa-5,8,13-triazahenicos-1-yloxy)-malachite green cation 
4-(Methylthio)canthin-6-one 
4-[(E)-\{amino[(3-methylbut-2-en-1-yl)amino]methylidene\}amino]butanoic acid 
4-\{[(E)-amino(imino)methyl]amino\}-N-(\{(2S)-1-[N-(2-naphthylsulfonyl)-L-seryl]pyrrolidin-2-yl\}methyl)butanamide 
4-Guanidino-1-butanol 
4-guanidinobenzoic acid +   
4-guanidinobutanamide 
4-guanidinobutanoic acid 
4-guanidinobutyric acid +  
4-hydroxy-3-methoxycinnamoylagmatine +  
4-Hydroxycanthin-6-one 
5-(Methylthio)canthin-6-one 
5-(N,N-hexamethylene)amiloride  
5-(N-methyl-N-propyl)amiloride 
5-bromo-8-methoxy-1-methyl-beta-carboline 
5-guanidinohydantoin 
5-Hydroxy-4-methoxy-3-methyl-2,6-canthinedione 
5-Methoxycanthin-6-one 
6,7-seco-Agroclavine 
6-[4-amino-4-hydroxy-2-oxo-3,4-dihydropyrimidin-1(2H)-yl]-3-[3-amino-5-(N-methylguanidino)pentanoylamino]-3,6-dihydro-2H-pyran-2-carboxylic acid 
6-guanidinohexanoic acid 
6-hydroxymanzamine A 
7-epi-cylindrospermopsin 
7-Hydroxymitragynine  
8-[(2S,4R,5R,6S)-4,5-dihydroxy-6-methyloxan-2-yl]oxy-1-hydroxy-5-methoxy-3-methyl-6-[(3S)-2-oxopiperidin-3-yl]-5H-benzo[b]phenanthridine-7,12-dione 
8-Benzyl-9,10-dimethoxy-5,8-dihydro-6H-[1,3]dioxolo[4,5-g]isoquino[3,2-a]isoquinoline 
8-hydroxymanzamine A 
8-oxoerythraline 
8-Oxoerythraline epoxide 
9-(2-\{[amino(iminio)methyl]amino\}ethoxy)-3-(2-deoxy-5-O-phosphono-beta-D-ribofuranosyl)-3H-pyrimido[5,4-b][1,4]benzoxazin-2(10H)-one 
9-(Methylthio)canthin-6-one 
9-deacetylfumigaclavine C 
9-deoxycurtisin 
9-O-Demethyl-2alpha-hydroxyhomolycorine 
9-O-Demethylhomolycorine 
[(6Ar,9R,10S,10aR)-7,9-dimethyl-5-(2-methylbut-3-en-2-yl)-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinolin-10-yl] acetate 
[N-(4-cyanophenyl)-N'-(diphenylmethyl)guanidine]acetic acid  
\{3-[(1,3,2-dioxaborolan-2-yl)oxy]propyl\}guanidine 
abafungin 
Ac-(D)Phe-Pro-boroArg-OH 
acetylagmatine 
acetylblasticidin S 
acetylcaranine 
acid green 5(1+) 
acremolin B 
acridine red 3B(1+) +  
acronycine 
Acutumidine 
Acutumine 
Affinine 
ageladine A  
agmatine +   
Agroclavine I 
Akuammine 
alamarine 
Albomaculine 
alcian yellow cation +  
alkaloid antibiotic +   
alkaloid ester +   
Alkaloid RC 
Allopumiliotoxin 267a 
Aloperine  
alpha-allenylagmatine 
alpha-N-substituted L-arginine +   
Alpinine 
Amalorin 
Amatain 
Ambelline 
amidinoproclavaminic acid 
amiloride +   
aminoguanidine +   
aminopotentidine 
Ammothamnine  
Anagyrine 
angustilobine B, (rac)- 
annomontine  
Apovincamine 
apraclonidine +  
argatroban  
Argentine 
arginine +   
Aristolactam AII 
ascidiathiazone A 
ascidiathiazone B 
aspernidine A 
aspernigrin A +  
asperparaline A 
Aspidospermatine 
Atherosperminine 
auramine O(1+) +   
Avenanthramide 1c 
Avenanthramide 1p 
Avenanthramide 2 
Avenanthramide E 
Baloxine 
Baptifoline 
BAR0329 
batzelladine A 
batzelladine B 
Benzamil  
benzazepine alkaloid +   
benzodiazepine alkaloid 
benzoylagmatine 
Berberastine 
Berberrubine  
beta,beta-ergoannam 
beta-ergokryptam 
beta-guanidino-L-alanine 
beta-guinidoxypropionamide 
beta-saxitoxinol(2+) 
An iminium ion resulting from the protonation of the two imine groups of beta-saxitoxinol; major microspecies at pH 7.3.
betalain +   
bethanidine +  
betrixaban 
biguanide +   
biguanides +   
biindole alkaloid +  
bisindole alkaloid +  
Bonafousine 
brilliant green cation +   
brovincamine 
Brovincamine fumarate 
Bz-Arg-OEt 
C-Curarine 
Calebassone 
callipeltin A 
camostat  
Candimine 
Capaurine 
Caracurine V 
carbazole alkaloid +  
carboxamidinium ion +   
Caribine 
carpaine 
Caseadine 
Catharanthine hcl 
Catharanthine hemitartrate 
Catharine 
caulophine 
Caulophylline 
Cavinine 
ceratamine A 
ceratamine B 
Cevadine 
Chanoclavine II 
cheilanthifoline 
Chlorhexidine hydrochloride 
cimetidine +   
circumdatin H 
clonidine +   
Cocculolidine 
Coccutrine 
colchicine +   
Colchicoside 
coptisine  
Coptisine chloride 
Coreximine 
Corynantheidine 
Costaclavine 
crambescidin 401 
crambescidin 800 
crambescidin 826 
creatine +   
Crinamidine 
Crinamine 
Crinine 
croomine 
cryptopleurine 
crystal violet cation +   
Cularicine 
Cularidine 
Cularimine 
Cularine 
Curtisin 
cyanoguanidine 
cyclo(Pro-Arg) 
Cycloclavine 
cylindrospermopsin  
cylindrospermopsins +   
Cypridina luciferin +  
cystodytin D +  
cystodytin E +  
cystodytin F 
cystodytin G 
cytisine  
cytochalasan alkaloid +   
cytochalasin D  
D-nopaline 
D-octopine 
D-Tetrahydropalmatine 
Deacetylcolchicine 
decahydroquinoline alkaloid +  
decarbamoylsaxitoxin 
Decorticasine 
dehydrocoformycin(1+) 
Dehydrocorydaline 
Dehydrocorydalmine 
Dehydrocorytenchine 
Delavine 
Demissidine 
deoxyamidinoproclavaminic acid 
deoxycylindrospermopsin 
Desmethylemetine 
Didehydrostemofoline 
Dihydrocorynantheine  
Dihydrolycorine 
Dihydrosetoclavine 
Dimethamine 
Dubiusine 
Duguetine 
E64 
Eburnamenin-14(15H)-one 
Eburnamine 
Eburnamonine  
Elymoclavine 
ent-6alpha-Hydroxybuphanisine 
ent-6beta-Hydroxybuphanisine 
epibatidine  
epinastine +   
Epoxyagroclavine I 
ergoline alkaloid +   
Erysonine 
Erysothiopine 
Erysotrine 
Erythratidine 
Erythratine 
Erythrina alkaloid +  
ethyl green(1+) +  
ethyl violet cation +  
ethylisopropylamiloride  
famotidine +   
Fast green FCF(1+) 
Fawcettidine 
feruloylagmatine +  
ficellomycin 
Floramultine 
Fumigaclavine D 
Fumigaclavine E 
Fumigaclavine F 
Fumigaclavine G 
Fumigaclavine H 
gabexate methanesulfonate  
Gabunamine 
Galegine 
gamma-hydroxyarginine +  
Germerine 
Germine 
Glaudine 
Glaziovine 
glycoalkaloid +   
gravacridonediol 
guanadrel 
guanazodine 
guancidine 
guanethidine +   
guanidine +   
guanidinium ion +  
guanidinoethyl methyl phosphates +  
Guinee green B(1+) 
Haemanthamine 
Haemanthidine 
Hamayne 
harmala alkaloid +   
Harringtonine 
hederacine A 
hederacine B 
Herdmanine A 
Herdmanine B 
herquline A 
herquline B 
herquline C 
hexamidine 
Hirsuteine  
Homoagmatine 
Homoormosanine 
hordatine A 
hordatine B 
huprine W(1+) 
hydramethylnon +   
hypotaurocyamine +  
iminium salt +  
iminoarginine 
iminoctadine +  
Imperialine 
indirubin-3'-monoxime  
indole alkaloid +   
indolizidine alkaloid +   
iodine green(2+) +  
Isococculidine 
Isomatrine 
isoquinoline alkaloid +   
Isorheagenine 
Jamine 
Jatrorrhizine  
karakoline 
Kreysigine 
L-803087 
L-arginine amide 
L-arginine hydroxamate 
L-proline betaine  
Lambertine 
lamellarin alpha 20-hydrogen sulfate 
leuconoxine 
lombricine +  
LSM-1309 
LSM-1372 
LSM-1597 
LSM-16753 
LSM-18556 
LSM-1944 
LSM-22634 
LSM-24185 
LSM-4236 
LSM-4502 
LSM-5249 
LSM-6354 
LSM-6387 
LSM-6464 
LSM-6667 
Lycoflexine 
lycojapodine A 
lycoperine A 
Lycorenine 
lymphostin 
magenta II(1+) +  
malachite green cation +   
malachite green isothiocyanate cation +  
manzamine A +  
massadine 
Matrine 
Mecambrine 
metformin  
Methyl (15R,17S,18S)-17-ethyl-7-methoxy-3,13-diazapentacyclo[13.3.1.02,10.04,9.013,18]nonadeca-2(10),4(9),5,7-tetraene-1-carboxylate 
Methyl (1R,11S,17S)-12-ethylidene-8,14-diazapentacyclo[9.5.2.01,9.02,7.014,17]octadeca-2,4,6,9-tetraene-10-carboxylate 
Methyl (1R,12S,20R)-12-ethyl-14-oxa-8,17-diazahexacyclo[10.7.1.01,9.02,7.013,15.017,20]icosa-2,4,6,9-tetraene-10-carboxylate 
Methyl (1R,9S,11S,14E,15S,17S)-19-(acetyloxymethyl)-14-ethylidene-18-oxa-2,12-diazahexacyclo[9.6.1.19,15.01,9.03,8.012,17]nonadeca-3,5,7-triene-19-carboxylate 
Methyl (1S,10R,12R,19S)-12-ethyl-10-hydroxy-5-methoxy-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2(7),3,5,13-tetraene-10-carboxylate 
methyl (1S,12S,13E)-13-ethylidene-18-(hydroxymethyl)-4-methoxy-8,15-diazapentacyclo[10.5.1.01,9.02,7.010,15]octadeca-2(7),3,5,8-tetraene-18-carboxylate 
Methyl (1S,15E)-15-ethylidene-12-oxo-10,17-diazatetracyclo[12.3.1.03,11.04,9]octadeca-3(11),4,6,8-tetraene-18-carboxylate 
Methyl (Z)-2-[(3E,12bS)-3-ethylidene-2,4,6,7,12,12b-hexahydro-1H-indolo[2,3-a]quinolizin-2-yl]-3-hydroxyprop-2-enoate 
Methyl 12-ethyl-10,11-dihydroxy-5-methoxy-8-methyl-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2(7),3,5,13-tetraene-10-carboxylate 
Methyl 17-(1-hydroxyethyl)-7-methoxy-3,13-diazapentacyclo[13.3.1.02,10.04,9.013,18]nonadeca-2(10),4(9),5,7-tetraene-1-carboxylate 
Methyl 2-(3-ethenyl-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizin-2-yl)-3-methoxyprop-2-enoate 
Methyl 2-(3-ethyl-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizin-2-yl)-3-methoxyprop-2-enoate 
Methyl 2-(3-ethyl-7a-hydroxy-8-methoxy-2,3,4,6,7,12b-hexahydro-1H-indolo[2,3-a]quinolizin-2-yl)-3-methoxyprop-2-enoate 
methyl green(2+) +  
Methyl violet 2B(1+) +  
methylguanidine 
mitoguazone 
monoamine alkaloid +   
muscimol  
N(1)-aminoaminopropylagmatine 
N(2)-(2-carboxyethyl)-L-arginine 
N(2)-\{[(1R)-1-(4-bromophenyl)ethyl]carbamoyl\}-L-asparaginyl-N-\{(1S)-4-carbamimidamido-1-[(S)-(2S)-2,3-dihydro-1,3-thiazol-2-yl(hydroxy)methyl]butyl\}-L-valinamide 
N(2)-carbamimidoyl-N-\{2-[4-(3-\{4-[(5-carboxyfuran-2-yl)methoxy]-2,3-dichlorophenyl\}-1-methyl-1H-pyrazol-5-yl)piperidin-1-yl]-2-oxoethyl\}-D-leucinamide 
N(4)-demethyl-12-methoxyalstogustine 
N(5)-methyl-L-arginine 
N(gamma)-nitro-L-arginine 
N(omega),N'(omega)-dimethyl-L-arginine +  
N(omega),N(omega)-dimethyl-L-arginine +   
N(omega)-methyl-L-arginine  
N(omega)-methyl-L-arginine zwitterion 
N,N'-(p-xylylidene)bis(aminoguanidine) +  
N-(2-\{4-[3-(4-\{[4-(acetylamino)benzyl]oxy\}-2,3-dichlorophenyl)-1-methyl-1H-pyrazol-5-yl]piperidin-1-yl\}-2-oxoethyl)-N(2)-carbamimidoyl-D-leucinamide 
N-(lysergyl-isoleucyl)-cyclo(phenylalanyl-prolyl) 
N-[(1R)-2-\{(2S)-2-[(3-carbamimidamidopropyl)carbamoyl]piperidin-1-yl\}-1-(cyclohexylmethyl)-2-oxoethyl]glycine 
N-[(1S)-1-(1,3-benzothiazol-2-ylcarbonyl)-4-carbamimidamidobutyl]cyclopentanecarboxamide 
N-[(1S)-1-\{[(1S)-4-[(diaminomethyl)amino]-1-(1,3-thiazol-2-ylcarbonyl)butyl]carbamoyl\}-2-methylpropyl]-4-methylpentanamide 
N-[(1S)-1-\{[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]carbamoyl\}-2-methylpropyl]-2-(3-chlorophenyl)-2-oxoacetamide 
N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]-2-[2-(3,4-dichlorophenyl)-5-[(1-methylethyl)amino]-6-oxopyrimidin-1(6H)-yl]acetamide 
N-[(1S)-4-carbamimidamido-1-(1,3-thiazol-2-ylcarbonyl)butyl]-2-[2-(3-methylphenyl)-6-oxo-5-[(quinolin-8-ylmethyl)amino]pyrimidin-1(6H)-yl]acetamide 
N-[(E)-4-ammoniobutylidene]propane-1,3-diaminium 
N-[2-(3,4-diethoxyphenyl)ethyl]-4-phenoxybenzamide 
N-\{(1S)-4-carbamimidamido-1-[(S)-hydroxy(1,3-thiazol-2-yl)methyl]butyl\}-N(2)-carbamoyl-L-valinamide 
N-\{[(2S)-1-(N-\{[cis-4-(carbamimidamidomethyl)cyclohexyl]carbonyl\}-3-cyclohexyl-D-alanyl)azetidin-2-yl]carbonyl\}-D-tyrosyl-N(6)-carbamimidoyl-L-lysinamide 
N-Acetylcytisine 
N-Acetylloline 
N-acetylnorloline 
N-acyl-L-arginine +  
N-amidino-L-aspartate(2-) 
N-amidino-L-glutamic acid 
N-amidinoaspartic acid +  
N-carbamimidoylpiperidine +  
N-Formyldemecolcine 
N-formylloline 
N-Formylnorloline 
N-guanylhistamine 
N-hydroxydebrisoquine O-glucuronide 
N-hydroxyguanidine 
N-Methyl-14-O-demethylepiporphyroxine 
N-Methylcanadium (iodide) 
N-methylcheilanthifoline 
N-Methylloline 
N-methylnicotinate  
N-methylphenylethanolamine 
N6-Methylagmatine 
nafamostat  
nafamostat methanesulfonate 
neosaxitoxin  
neotuberostemonine 
new fuchsin(1+) +  
nigerazine A 
nigerazine B 
Nigerrimin B 
night blue(1+) +  
nigragillin 
nitensidine E 
nitroguanidine derivative +   
nitroguanidine insecticide 
Nobilisitine A 
nostocarboline 
O-Methyllycorenine 
oriciacridone C 
oriciacridone F 
oxidized Cypridina luciferin 
oxyprotostemonine 
Oxysophocarpine 
p-coumaroylagmatine +  
Paliclavine 
Panamine 
paralytic shellfish toxin +   
pararosaniline(1+) +  
Paspaclavine 
patent blue V 
Peimisine 
penipanoid B 
peramine 
peramivir 
phaseolotoxin 
Phellodendrine  
phenanthrene alkaloid +  
phenethylamine alkaloid +   
phenyl biguanide  
Phenylamil  
phleomycin D1 +  
phyllospadine 
pipercallosidine 
pipercallosine 
piperidine alkaloid +   
piperlactam S 
Piperolactam A 
Piperolactam C 
Piperolactam D 
Piptanthine 
polyhexamethylene biguanide 
Pretazettine 
Promucosine 
propamidine 
Propanoylagmatine 
protostemonine 
Protoveratrine A 
Protoveratrine B 
Protoverine 
Pseudocolumbamine 
Pseudopalmatine 
pseudopelletierine 
Psychotrin 
Pumiliotoxin 251D 
Pumiliotoxin A 
purine alkaloid +   
pyridine alkaloid +   
Pyroclavine 
pyronin B(1+) +  
pyronin Y cation +  
pyrrolidine alkaloid +   
pyrrolizidine alkaloid +   
pyrrolizine alkaloid +   
pyrrolnitrin 
QSY21 succinimidyl ester(1+) +  
QSY7 succinimidyl ester(1+) +  
QSY9 succinimidyl ester(1+) +  
quinazoline alkaloid +   
quinoline alkaloid +   
quinolizidine alkaloid +   
rhod-2(1+) +  
Rhoeadine 
Rhombifoline 
rohitukine 
Roquefortine A 
rosanilin(1+) +  
Roxburghine B 
ryanodine  
sampangine 
saxitoxin +   
saxitoxin(2+) 
Scholaricine 
Serratanidine 
Serratine 
Sinactine 
Sipeimine 
SLM6071469 
solanid-5-en-3-ol +   
Sophocarpine  
Sophoranol 
spermidine alkaloid +  
Spinosine 
spirosolane +   
stemofoline 
steroid alkaloid +   
streptidine +   
streptothricin +  
streptothricin acid +  
syncarpamide 
synthalin A 
Tabernamine 
Tabernanthine 
tacrine(1+) 
TAMe 
taurocyamine +  
tegaserod +   
Templetine 
terpene alkaloid +   
tetrahydrocolumbamine 
tetramethylpyrazine  
tetramethylrosamine +  
tetrodotoxin(1+) 
thalictricavine 
Thermospine 
Tinctorine 
ToTo-3(4+) +  
Toxiferine I 
tropane alkaloid +   
tuberostemonine  
tuberostemonine N 
undecylprodigiosin 
vanchrobactin 
veracevine 
Verticine 
victoria blue 4R(1+) +  
victoria blue B(1+) +  
victoria blue R(1+) +  
vinervine 
Vinpocetine  
WF14865A 
WF14865B 
Worenine 
X-rhod-1(1+) +  
xestospongin C  
Xylopinine 
YoYo-3(4+) +  
zanamivir 
zarzissine 
Zephyranthine 
Zhebeinine 
Zygadenine 

Synonyms
Related Synonyms: Formula=C10H19N7O3 ;   InChI=1S/C10H17N7O3/c11-7-15-6-4(3-20-9(13)19)14-8(12)17-2-1-5(18)10(6,17)16-7/h4-6,18H,1-3H2,(H2,12,14)(H2,13,19)(H3,11,15,16)/p+2/t4-,5-,6-,10+/m0/s1 ;   InChIKey=NILHUXIFTLLDPJ-AVGUDYQDSA-P ;   SMILES=N1C(N2[C@@]3([C@]([C@@H]1COC(N)=O)(NC(N3)=[NH2+])[H])[C@H](CC2)O)=[NH2+] ;   beta-STOH(2+) ;   beta-saxitoxinol
Xrefs: PMID:32532989

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