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Term:nalidixic acid
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Accession:CHEBI:100147 term browser browse the term     term annotations  view annotations
Definition:A monocarboxylic acid comprising 1,8-naphthyridin-4-one substituted by carboxylic acid, ethyl and methyl groups at positions 3, 1, and 7, respectively.
Synonyms:related_synonym: 1,4-dihydro-1-ethyl-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acid;   1-Aethyl-7-methyl-1,8-naphthyridin-4-on-3-karbonsaeure;   1-ethyl-7-methyl-1,4-dihydro-1,8-naphthyridin-4-one-3-carboxylic acid;   3-carboxy-1-ethyl-7-methyl-1,8-naphthyridin-4-one;   C12H12N2O3;   CCn1cc(C(O)=O)c(=O)c2ccc(C)nc12;   InChI=1S/C12H12N2O3/c1-3-14-6-9(12(16)17)10(15)8-5-4-7(2)13-11(8)14/h4-6H,3H2,1-2H3,(H,16,17);   InChIKey=MHWLWQUZZRMNGJ-UHFFFAOYSA-N;   acide nalidixique;   acido nalidixico;   acidum nalidixicum
 alt_id: CHEBI:7456
 xref_casrn: 389-08-2
 xref: ChEMBL:100147 "ChEMBL COMPOUND";   ChemIDplus:389-08-2 "CAS Registry Number";   CiteXplore:11321869 "PubMed citation";   CiteXplore:12002106 "PubMed citation";   CiteXplore:12399485 "PubMed citation";   CiteXplore:12702698 "PubMed citation";   CiteXplore:14107587 "PubMed citation";   CiteXplore:16107187 "PubMed citation";   CiteXplore:16423473 "PubMed citation";   CiteXplore:16667857 "PubMed citation";   CiteXplore:16803589 "PubMed citation";   CiteXplore:17132068 "PubMed citation";   CiteXplore:17631104 "PubMed citation";   CiteXplore:18788798 "PubMed citation";   CiteXplore:19071706 "PubMed citation";   DrugBank:DB00779 "DrugBank";   KEGG COMPOUND:389-08-2 "CAS Registry Number";   KEGG COMPOUND:C05079 "KEGG COMPOUND";   KEGG DRUG:D00183 "KEGG DRUG"
 xref_mesh: MESH:D009268
 xref: Patent:BE612258 "Patent";   Patent:US3590036 "Patent";   Reaxys:750515 "Reaxys Registry Number";   Wikipedia:Nalidixic_Acid "Wikipedia"
 cyclic_relationship: is_conjugate_acid_of CHEBI:62070
Parent Terms Term With Siblings Child Terms
(+)-artemisinic acid
(-)-anisomycin 
(-)-marinopyrrole A
(-)-marinopyrrole B
(1-hydroxycyclopentyl)phenylacetic acid +
(10E,12Z,15Z)-9-hydroperoxyoctadeca-10,12,15-trienoic acid +
(1R,2S)-epoxypropylphosphonate(1-)
(1S,2S,5S)-2-(4-glutaridylbenzyl)-5-phenyl-1-cyclohexanol
(1S,9S)-9-amino-6,10-dioxooctahydro-6H-pyridazino[1,2-a][1,2]diazepine-1-carboxylic acid
(2-nitrophenoxy)acetic acid
(2R,3R,4S,5R)-5-(3,4-dichlorophenyl)-5'-methyl-1',3'-dioxo-4-\{[4-(1,2,3-thiadiazol-4-yl)phenyl]carbamoyl\}-1',3',4,5-tetrahydro-3H-spiro[furan-2,2'-indene]-3-carboxylic acid
(2S)-2-[(\{4-[2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl\}carbonyl)amino]-4-(2H-tetrazol-5-yl)butanoic acid
(2S)-3-methyl-2-((2R,3S)-3-[(methylsulfonyl)amino]-1-\{[2-(pyrrolidin-1-ylmethyl)-1,3-oxazol-4-yl]carbonyl\}pyrrolidin-2-yl)butanoic acid
(2S,3R)-2-[(3S,6R)-3-amino-6-hydroxy-2-oxopiperidinyl]-3-hydroxybutanoic acid
(2xi)-D-gluco-heptonic acid
(2Z,4Z)-2-hydroxyhexa-2,4-dienoic acid
(3-bromo-4-hydroxy-5-nitrophenyl)acetic acid +
(3beta)-3,27-dihydroxyolean-12-en-28-oic acid +
(3R)-8-cyclopropyl-6-(morpholin-4-ylmethyl)-7-(1-naphthylmethyl)-5-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyridine-3-carboxylic acid
(4-hydroxy-3-iodo-5-nitrophenyl)acetic acid +
(4-hydroxy-3-nitrophenyl)acetic acid +
(6,8-difluoro-7-hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetic acid
(6-methoxy-2-naphthyl)acetic acid
(7Z)-lobohedleolide
(9Z,11E,13S,14Z)-13-hydroperoxyoctadeca-9,11,14-trienoic acid
(methylthio)acetic acid
(S)-(+)-4-(5-carboxypentyl)methamphetamine
(S)-2,5,5-trimethylthiazolidine-4-carboxylic acid
(Z)-3-aminoacrylic acid
(Z)-4-glutaramidostilbene
1'-deoxyabscisic acid
1,1'-bi(cyclohexyl)-1-carboxylic acid +
1,3-thiazolemonocarboxylic acid +
1,4-dihydroxy-6-naphthoic acid
1,5-naphthyridine
1,6-naphthyridine +
1,7-naphthyridine
1,8-naphthyridine
1-(4-sulfophenyl)-3-carboxy-4-amino-5-oxopyrazole
1-aminocyclopropanecarboxylic acid +
1-deoxypentalenic acid
1-pyrrolinecarboxylic acid +
16-feruloyloxypalmitic acid
17-dimethylaminolobohedleolide
17-hydroxyprogesterone 3-O-(carboxymethyl)oxime
2'-deamino-2'-hydroxyneamine
2,2,3,3-tetramethylcyclopropanecarboxylic acid + 
2,4-DB
2,5,5-trimethyl-1,3-thiazolidine-4-carboxylic acid
2,6-dichloroisonicotinic acid
2,6-dimethyl-5-methylenehept-2-enoic acid +
2,6-naphthyridine
2,7-naphthyridine +
2-(2-amino-1,3-thiazol-4-yl)-2-(1-carboxy-1-methylethoxyimino)acetylaminomethylboronic acid
2-(2-hydroxyphenyl)-4,5-dihydrothiazole-4-carboxylic acid +
2-(2-methoxyethoxy)propanoic acid
2-(4-chlorophenyl)-3-methylbutyric acid + 
2-(4-hydroxyphenylazo)benzoic acid
2-acetamido-2-deoxy-3-O-(4-deoxy-alpha-L-threo-hex-4-enopyranosyluronic acid)-6-O-sulfo-D-galactopyranose +
2-amino-5,6-dimethylbenzimidazole-1-pentanoic acid
2-arylpropionic acid + 
2-cis-abscisic acid +
2-hydroxy-2H-benzo[h]chromene-2-carboxylic acid
2-L-arginyl-1,3-benzothiazole-6-carboxylic acid
2-O-(6-phosphono-alpha-D-mannosyl)-D-glyceric acid
3,4,5-trimethoxydihydrocinnamic acid
3,4-dihydro-7-methoxy-2-methylene-3-oxo-2H-1,4-benzoxazine-5-carboxylic acid
3-(10-methyl-9-anthryl)propanoic acid
3-(2,3-dihydroxyphenyl)propanoic acid
3-(2-chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethylcyclopropanecarboxylic acid + 
3-(2-hydroxyphenyl)propanoic acid
3-(2-methoxyethoxy)propanoic acid
3-(3,4-dihydroxyphenyl)propanoic acid 
3-(3-hydroxyphenyl)propanoic acid
3-(3-sulfooxyphenyl)propanoic acid
3-(4-oxo-4,5-dihydro-1H-imidazol-5-yl)propanoic acid
3-(cis-5,6-dihydroxycyclohexa-1,3-dienyl)propanoic acid +
3-[2-(trifluoromethyl)phenyl]propanoic acid +
3-aminobutanoic acid +
3-beta-O-(E)-coumaroyl-D:C-friedooleana-7,9(11)-dien-29-oic acid
3-butynoic acid
3-chloroacrylic acid +
3-cyclopentylpropionic acid +
3-hydroxy-3-phenylpropionic acid +
3-hydroxyphenylacetic acid
3-hydroxypicolinic acid
3-nitroacrylic acid
3-phenylpropionic acid + 
4'-epidoxorubicin 
4,6-O-[(1R)-1-carboxyethylidene]-D-galactose +
4-(2-thienyl)butyric acid
4-(4-styrylphenylcarbamoyl)butyric acid
4-(5-carboxypentanamido)antipyrine
4-[(5-oxo-2-phenyl-1,3-oxazol-4-ylidene)methylamino]but-2-enoic acid
4-[3-(3-nitrophenyl)-1,2,4-oxadiazol-5-yl]butanoic acid
4-[4-(2,5-dioxopyrrolidin-1-yl)phenylamino]-4-hydroxybutyric acid
4-\{((R)-2-Carboxy-3-methoxymethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-en-7-ylcarbamoyl)-[(Z)-methoxyimino]-methyl\}-thiazol-2-yl-ammonium +
4-acetamidobutanoic acid
4-carboxy-4'-sulfoazobenzene
4-chlorophenylacetic acid
4-hydroxy-1,2,5-oxadiazole-3-carboxylic acid
4-hydroxyphenylacetic acid + 
4-hydroxyphenylacetylglycine
4-methoxyphenylacetic acid
4-methyl-2-pyrroline-5-carboxylic acid +
4-methylaeruginoic acid
4-oxo-4-(pyridin-3-yl)butanoic acid
4-phenylbutyric acid 
4849F
5(6)-carboxy-2',7'-dichlorofluorescein 
5,6,7,8-tetrahydro-2-naphthoic acid
5,6,7,8-tetrahydropterin-6-carboxylic acid
5-(2,3-dimethoxy-4-methylphenyl)pentanoic acid
5-(p-nitrophenylphosphonate)pentanoic acid
5-[(2-aminobenzimidazol-6-yl)amino]-5-oxopentanoic acid
5-[(4-nitrobenzyl)(phosphonomethyl)amino]valeric acid
5-[2-(2-oxoethoxy)ethoxy]-diclofenac
5-\{N-[4-(4-cyanostyryl)phenyl]-N-methylamino\}pentanoic acid
5-azaorotic acid
5-carboxyfluorescein
5-dehydro-4-deoxy-2-O-sulfo-D-glucuronic acid
5-iodo-2'-deoxyuridine 
6-(4-hydroxy-3-nitrobenzamido)hexanoic acid
6-(4-hydroxy-5-iodo-3-nitrobenzamido)hexanoic acid
6-[4-(5,5-dimethyltetrahydrofuran-3-yl)phenoxy]hexanoic acid
6-\{4-[hydroxy-(4-nitrophenoxy)phosphoryl]butyrylamino\}hexanoic acid
6-\{[5-(p-nitrophenoxy)-5-oxopentanoyl]amino\}hexanoic acid
6-carboxyfluorescein 
7-carboxy-7-deazaguanine
7-methoxycoumarin-4-acetic acid
7beta-aminocephalosporanic acid
7beta-aminodeacetoxycephalosporanic acid
8'-(3-hydroxy-3-methylglutaryloxy)abscisic acid
8-benzyl-7-hydroxy-4,10-dioxo-1-phenyl-6-oxa-3,9-diaza-7-phosphatetradecan-14-oic acid 7-oxide
8alpha-19-dihydroxylabd-13E-ene-15-oic acid
9-(2-carboxyethyl)-10-methylanthracene endoperoxide
9-beta-D-arabinofuranosylguanine +
9beta-pimara-7,15-dien-19-oic acid
abacavir 5'-carboxylic acid
abietic acid +
abscisic acids +
acetic acid + 
acifluorfen
acrylic acid + 
acutoside A
adapalene 
adxanthromycin A
adxanthromycin B
agrochelin
alclofenac 
aldehydic acid + 
aldonic acid + 
alicyclic antibiotics +
aliphatic antibiotics +
all-trans-acitretin 
alpha-aminobutyric acid +
alpha-D-Gal-(1->3)-alpha-D-Gal-(1->4)-D-GlcNAc-(CH2)5CO2H
alpha-D-Kdo-4P-OAll
alpha-D-Kdo-5P-OAll
alpha-D-Ko
alpha-ionylideneacetic acid
alpha-sulfophenylacetic acid
amikacin + 
amino acid derivative antibiotics +
amino monocarboxylic acid +
aminonicotinic acid +
amlexanox 
amoxicillin + 
ampicillin + 
angucycline antibiotic +
anidulafungin
ansamitocin P3
anthracycline antibiotic + 
antibiotic pesticide + 
antimycin A 
antimycin A9
antimycobacterial drug + 
antitreponemal drug +
aphidicolin 
apramycin
arbekacin +
aristolochic acid 
arisugacin A
arisugacin B
arisugacin C
arisugacin D
arsonoacetic acid
AS-186a +
AS-186b
AS-186c
AS-186g
ascidiathiazone A
ascidiathiazone B
asiatic acid
asprellic acid A
asprellic acid C
ATTO 425-2 +
ATTO 465-2(1+) +
ATTO 495-2 +
ATTO 495-2(1+) +
ATTO 520-2 +
ATTO 520-2(1+) +
azetidinecarboxylic acid +
azithromycin + 
azlocillin
azoxybacilin
aztreonam +
bacillaene
bacilysocin
bacitracin A + 
baclofen 
ballodiolic acid
ballotenic acid
bambermycin
bassiatin
BE-23372M
BE-24566B
BE-54238A
BE-54238B
benzimidazolecarboxylic acid + 
benzoic acids + 
benzyl isothiocyanate 
benzylpenicillin + 
bepotastine
beta-D-4-deoxy-Delta(4)-GlcpA-(1->3)-beta-D-GalpNAc +
beta-D-4-deoxy-Delta(4)-GlcpA-(1->3)-beta-D-GlcpNAc
beta-D-Delta(4)-GlcpA-(1->4)-beta-D-Glcp-(1->4)-alpha-L-Rhap-(1->3)-beta-D-Glcp
bevirimat
biapenem
bile acid + 
biotins + 
biphenyl-4-ylacetic acid
bis(4-chlorophenyl)acetic acid
bisdechlorogeodin +
BODIPY FL
BODIPY R6G
brartemicin
brasilicardin A
brasiliquinone A
brasiliquinone B
brasiliquinone C
bromochloroacetic acid 
butirosin A
butirosin B
candoxatril
carbapenem MM22383
carbapenemcarboxylic acid +
carbazic acid +
carbenicillin +
carbidopa 
carbidopa (anhydrous) + 
carbocyclic antibiotic + 
carbohydrate-containing antibiotic + 
carboxyfentanyl
carnosic acid 
carumonam
cathestatin A
cathestatin B
cefaclor 
cefadroxil +
cefaloglycin
cefaloridine 
cefalotin + 
cefamandole +
cefamandole nafate
cefazolin 
cefdinir 
cefditoren +
cefditoren pivoxil
cefepime 
cefepime hydrochloride
cefixime 
cefmenoxime +
cefmetazole 
cefmetazole sodium
cefodizime
cefonicid
cefoperazone 
ceforanide
cefotaxime 
cefotetan
cefotetan disodium
cefotiam + 
cefotiam dihydrochloride
cefotiam hexetil dihydrochloride
cefoxitin
cefpiramide
cefpodoxime +
cefpodoxime proxetil
cefprozil
cefsulodin
ceftaroline +
ceftaroline fosamil +
ceftaroline fosamil acetate +
ceftaroline fosamil acetate monohydrate
ceftazidime + 
ceftibuten + 
ceftibuten dihydrate
ceftizoxime 
ceftriaxone 
cefuzonam
celastrol 
cephalexin +
cephalexin monohydrate
cephalosporin C + 
cephapirin
cephapirin sodium
cephradine 
cerulenin 
cetirizine 
CGS-21680
chloramphenicol + 
chlorophenoxyacetic acid + 
chlorphenesin +
chromenemonocarboxylic acid +
cinnamic acids + 
cinoxacin
ciprofloxacin + 
ciprofloxacin dihydrochloride
ciprofloxacin hydrochloride (anhydrous) +
ciprofloxacin hydrochloride hydrate
cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylic acid +
cis-heme d hydroxychlorin gamma-spirolactone +
clarithromycin 
clavaminic acid
clavulanic acid
clofibric acid + 
clomocycline
cloxacillin 
co-trimoxazole 
colossolactone V
concanamycin +
CT2108A
CT2108B
curamycin A
cyanoacetic acid +
cyclacillin
cyclitol carboxylic acid + 
cyclohexadienecarboxylic acid +
cyclohexanecarboxylic acid + 
cyclohexenecarboxylic acid + 
cyclohexylacetic acid
cyclopropanecarboxylic acid + 
cytochalasin D 
cytotrienin A
daptomycin
DAS734
decatromicin A
decatromicin B
deferasirox
dehydroabietic acid
demeclocycline + 
demeclocycline hydrochloride
deoxylimonoic acid
desferrioxamine G
dethiobiotin +
dianversicoside G
dicerandrol A
dicerandrol B
dicerandrol C
dichloroacetic acid + 
diclofenac + 
dicloxacillin 
difluoroacetic acid
dihydro-5-azaorotic acid
dihydrocamalexic acid +
dihydroclavaminic acid
dihydroorotic acid + 
dioxanecarboxylic acid +
diperamycin
dithiolanecarboxylic acid +
doxycycline + 
doxycycline hyclate
doxycycline monohydrate
EI-1511-5
EI-1625-2
endocrocin
enniatin A
enniatin B
enoxacin 
epoxy monocarboxylic acid + 
ertapenem
ertapenem sodium
espicufolin
etodolac + 
etoposide 
F390B
F390C
F420-0
fatty acid + 
fenoprofen 
fidaxomicin
flucloxacillin + 
fludarabine phosphate
fluoroacetic acid +
fluvirucin A1 +
formic acid + 
formobactin
fosfomycin 
fosmidomycin
FR207944
FR901463
FR901464
FR901469 hydrochloride
fradafiban +
framycetin +
fumagillin + 
fumimycin
furoic acid + 
fusidic acid 
gabapentin enacarbil
gamma-amino-gamma-cyanobutanoic acid +
gamma-aminobutyric acid + 
gamma-L-glutamylbutirosin B
gatifloxacin +
geldanamycin + 
gemifloxacin +
gemifloxacin mesylate
germacra-1(10),4,11(13)-trien-12-oic acid
geumonoid
gibberellin monocarboxylic acid +
gilvusmycin
glionitrin A
glomosporin
glucoheptonic acid
griseofulvin 
GW 7647
gypsogenin +
hadacidin
herbimycin 
hetacillin
heterocyclic antibiotic + 
hexamethylenetetramine +
HEXYL 3-DEOXY-ALPHA-L-RIBO-HEXOPYRANOSIDE
homovanillic acid + 
humulone
hydroxy monocarboxylic acid + 
ibuprofen + 
IC202A
IC202B
IC202C
iloprost 
imidazolyl carboxylic acid + 
imipenem +
indole-1-acetic acid
indole-3-acetic acid + 
indolecarboxylic acid + 
isohomovanillic acid
isopimaric acid
kalimantacin A
kalimantacin B
kalimantacin C
kanamycin A sulfate
lactonamycin
lancifodilactone F
lancilactone C
lansioside A
levofloxacin
linezolid 
lobohedleolide
loganic acid
lomefloxacin +
lomefloxacin hydrochloride
loracarbef
lucensimycin E
lumiracoxib
lymecycline
macrolide antibiotic + 
madecassic acid +
malachite green
malachite green cation + 
maleamic acid
martefragin A
mecillinam +
melagatran +
meropenem +
meropenem trihydrate
methacrylic acid +
methacycline
methicillin +
methotrexate 
methyl red
metrizoic acid
metronidazole + 
metronidazole benzoate
metronidazole hydrochloride
mezlocillin
microcin B17
minocycline + 
monensin A 
monodictyphenone
montelukast + 
moromycin B
motualevic acid A
motualevic acid F
moxalactam
moxifloxacin
moxifloxacin hydrochloride
muramic acid +
mycophenolic acid + 
myriocin 
myrsinoic acid B
myrsinoic acid C
myrsinoic acid F
N-(3,4-dichlorophenyl)malonamic acid
N-(3-carboxypropanoyl)-N-hydroxyputrescine
N-(trans-4'-nitro-4-stilbenyl)-N-methyl-5-aminopentanoic acid
N-acetyl-alpha-neuraminyl-(2->6)-N-acetyl-alpha-D-galactosamine
N-acetyl-D-galactosaminic acid
N-acetylcitrulline +
N-benzoyl-4-methoxyanthranilic acid
N-formylmaleamic acid
nadifloxacin +
nafcillin
nalidixic acid 
A monocarboxylic acid comprising 1,8-naphthyridin-4-one substituted by carboxylic acid, ethyl and methyl groups at positions 3, 1, and 7, respectively.
naphthoic acid + 
naphthylacetic acid +
naphthyloxyacetic acid +
naproxen 
nelarabine
neopentalenolactone D
neopyrrolomycin B
neurosporaxanthin
nidulalin A
nigericin 
nitroxoline
nocardicin E
nocardicin F
nocardione A
norfloxacin 
novobiocin 
NP-101A
nucleoside antibiotic + 
O-(2-aminoethyl)-L-serine
O-benzoylecgonine 5-carboxypentyl ester
ofloxacin + 
olivetolic acid +
olivomycin A
oxacillin + 
oxazolinecarboxylic acid +
oxo monocarboxylic acid + 
oxolinic acid
oxytetracycline 
pacific blue +
paromomycin + 
paromomycin sulfate
pefloxacin +
pefloxacin mesylate
penicillenic acid +
pentalenolactone
pentalenolactone D
pentalenolactone E
pentalenolactone F
peptide antibiotic + 
perfluorobutyric acid 
phaseic acid +
phenazine-1-carboxylic acid
phenoxyacetic acid + 
phenylacetic acid + 
phenylacetylglycine +
phomacin C
phosphatoquinone A
phosphatoquinone B
phosphoenolpyruvic acid
phosphonoacetic acid
piperacillin 
piperazinecarboxylic acid +
piperidinemonocarboxylic acid + 
pivmecillinam +
PM-94128
PNCMB
polyene antibiotic +
polymyxin + 
pre-putrebactin
proclavaminic acid +
progesterone 3-O-(carboxymethyl)oxime +
prontosil 
protobassic acid +
pteroic acids + 
purinemonocarboxylic acid +
puromycin + 
pyochelin +
pyranmonocarboxylic acid +
pyrazinecarboxylic acid + 
pyridinemonocarboxylic acid + 
pyrimidinemonocarboxylic acid + 
pyrrolecarboxylic acid +
pyrrolidinemonocarboxylic acid +
quinolinemonocarboxylic acid + 
retinoic acid + 
ribostamycin +
ribostamycin sulfate
rifampicin 
rolitetracycline
roseoflavin
roxarsone 
roxithromycin + 
S-(1,2-dichlorovinyl)-L-cysteine + 
S-ethylhomocysteine + 
salzmannianoside A
saturated monocarboxylic acid
sch 210972 +
silver(1+) sulfadiazinate
sinefungin
sirolimus + 
SPF-32629A
SPF-32629B
stipitatic acid
streptokordin
streptomycin + 
streptonigrin 
streptothricin D
streptothricin F
streptothricin F(3+)
streptozocin 
SU5402
sulfacetamide
sulfacetamide sodium
sulfacetamide sodium anhydrous +
sulfachloropyridazine
sulfadiazine 
sulfadoxine
sulfamethizole
sulfamoxole
sulfisoxazole 
suprofen 
surugapyrrole A
surugapyrrole B
suxibuzone 
tartrazine acid
tazarotenic acid + 
telavancin +
telavancin hydrochloride
tetracenomycin + 
tetracycline 
tetrahydrofurancarboxylic acid +
theogallin
thiadiazolecarboxylic acid +
thiamphenicol
thiazepinemonocarboxylic acid +
thiazinemonocarboxylic acid +
thiazolidinemonocarboxylic acid +
thiophenecarboxylic acid +
thiostrepton
thiram 
tiaprofenic acid 
ticarcillin
tigecycline
tinidazole
TMC-135A
TMC-135B
TMC-52A
TMC-52B
TMC-52C
TMC-52D
TMC-86A
TMC-86B
TMC-89A
TMC-89B
TMC-95A
TMC-95B
TMC-95C
TMC-95D
TMC-96
tobramycin 
tolmetin 
topopyrone A
topopyrone B
topopyrone C
topopyrone D
tranexamic acid 
trans-heme d hydroxychlorin gamma-spirolactone
trichloroacetic acid 
trierixin
tubelactomicin A
tunicamycin 
tunicamycin A0 + 
tunicamycin A1 + 
tunicamycin A2 + 
tunicamycin B1 + 
tunicamycin B2 + 
tunicamycin B3 + 
tunicamycin C1 + 
tunicamycin C2 + 
tunicamycin D1 + 
tunicamycin D2 + 
UCS1025 A
UK-2A
UK-2B
UK-3A
uracil-6-ylacetic acid
uridin-5-yloxyacetic acid
uronic acid + 
valerenic acid
valinomycin 
vancomycin + 
vinylamycin
YM-47141
YM-47142
YM-47522
paths to the root