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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
organic cation +     
(+)-echitovenine(1+) 
(+)-minovincinine(1+) 
(+)-vincadifformine(1+) 
(+-)-5-[3-(tert-butylammonio)-2-hydroxypropoxy]-1,2,3,4-tetrahydro-1-naphthol(1+) 
(+-)-5-[3-(tert-butylammonio)-2-hydroxypropoxy]-3,4-dihydronaphthalen-1(2H)-one(1+) 
(-)-(R)-19-hydroxytabersonine(1+) 
(-)-(R)-19-O-acetyltabersonine(1+) 
(-)-coronaridine(1+) 
(-)-echitovenine(1+) 
(-)-ephedrinium 
(-)-minovincinine(1+) 
(-)-vincadifformine(1+) 
(-)-voacangine(1+) 
(16R)-deshydroxymethyl-stemmadenine(1+) 
(16S)-deshydroxymethyl-stemmadenine(1+) 
(1R)-1-phenylethanaminium 
(1R,2R)-pseudoephedrine(1+) 
(1R,3S)-3-(adamantan-1-yl)-1-(ammoniomethyl)-3,4-dihydroisochromene-5,6-diol(1+) +   
(1S)-1-phenylethanaminium 
(1S)-2-methyl-cyclohexylammonium 
(1S)-3-methyl-cyclohexylammonium 
(1S,2R)-5-methoxy-1-methyl-2-(propylammonio)tetralin(1+) +  
(1S,2R)-ephedrine(1+) 
(1S,2S,3R,5S)-3,5-diammoniocyclohexane-1,2-diol 
(2E,5S,6E,8E,10E)-1-ammoniododeca-2,6,8,10-tetraen-5-ol 
(2R)-2-hydroxypropylammonium 
(2R,3S)-EHNA(1+) +  
(2S)-2-carbamoylpyrrolidin-1-ium 
(2S,3S,5R,10R,12S,14S,15R,16R)-2-amino-12,16-dimethylicosane-3,5,10,14,15-pentol(1+) 
(3R)-3-(tert-butylcarbamoyl)piperazin-1-ium 
(3R)-7,2'-dihydroxy-4'-methoxyisoflavanol 4-oxonium cation 
(4-ammoniobutyl)(3-oxopropyl)azanium 
(4aR,10bS)-noroxomaritidine(1+) 
(4aS,10bR)-noroxomaritidine(1+) 
(4aS,10bR)-oxomaritidine(1+) 
(5,6-dimethyl-1,10-phenanthroline)(1S,2S-diaminocyclohexane)platinum(II)(2+) 
(6S)-6-hydroxyhyoscyaminium 
(6xi)-12-methoxy-18-carbonyl-2alpha-ibogamin-6-ium 
(7S)-salutaridinol(1+) 
(R)-2-methylpyrrolidinium 
(R)-6-hydroxynicotinium 
(R)-adrenaline(1+) 
(R)-benproperine(1+) +  
(R)-eberconazole(1+) +  
(R)-fenticonazole(1+) +  
(R)-fluoxetine(1+) +   
(R)-isoconazole(1+) +  
(R)-laudanosine(1+) 
(R)-laudanosolinium 
(R)-methcathinone(1+) 
(R)-nefopam(1+) +  
(R)-nicotinium(1+) 
(R)-nipecotamide(1+) 
(R)-noradrenaline(1+) 
(R)-orciprenaline(1+) +  
(R)-oxpoconazole(1+) +  
(R)-piperazin-4-ium-2-carboxamide(1+) 
(R)-prasugrel(1+) +   
(R)-reticulinium(1+) 
(R)-SKF 38393(1+) +  
(R)-tetrahydropapaverine(1+) 
(R)-tetrindole(1+) +  
(R,R)-asenapine(1+) +  
(R,R)-tramadol(1+) +  
(R,S,S,S)-nebivolol(1+) +  
(RS)-coclaurinium 
(RS)-norcoclaurinium 
(S)-2-methyl-1-(4-methylisoquinoline-5-sulfonyl)-1,4-diazepane(2+) +  
(S)-3'-hydroxy-N-methylcoclaurinium(1+) 
(S)-6-hydroxynicotinium(1+) 
(S)-6-O-demethylreticuline(1+) 
(S)-atropinium 
(S)-benproperine(1+) +  
(S)-coclaurinium 
(S)-codamine(1+) 
(S)-eberconazole(1+) +  
(S)-fenticonazole(1+) +  
(S)-fluoxetine(1+) +   
(S)-glaucine(1+) 
(S)-isoconazole(1+) +  
(S)-laudanosine(1+) 
(S)-methcathinone(1+) 
(S)-N-methylcoclaurinium(1+) 
(S)-nefopam(1+) +  
(S)-nicotinium(1+) 
(S)-norcoclaurinium(1+) 
(S)-orciprenaline(1+) +  
(S)-oxpoconazole(1+) +  
(S)-piperazin-4-ium-2-carboxamide(1+) 
(S)-prasugrel(1+) +   
(S)-reticulinium(1+) 
(S)-sertaconazole(1+) +  
(S)-SKF 38393(1+) +  
(S)-tetrahydropapaverine(1+) 
(S)-tetrindole(1+) +  
(S)-timolol(1+) 
(S)-verapamil(1+) 
(S,R,R,R)-nebivolol(1+) +  
(S,S)-2,5-di-(p-hydroxybenzyl)piperazine(1+) 
(S,S)-asenapine(1+) +  
(S,S)-formoterol(1+) +   
(S,S)-tramadol(1+) +  
1,1'-[1,9-bis(dimethylammonio)nonane-1,9-diyl]bis\ 
1,2-diacyl-sn-glycero-3-phospho-1'-(3'-O-L-lysyl)-sn-glycerol(1+) 
1,2-dimethylhydrazine(2+) +  
1,2-distearoylphosphatidylethanolaminium +  
1,3-thiazolium cation +   
1-(2-oxo-2-phenylethyl)tetrahydrothiophenium +  
1-(3-aminopropyl)pyrrolinium 
1-(4-methoxyphenyl)-N-methyl-N-[(3-methyloxetan-3-yl)methyl]methanamine(1+) 
1-(5-isoquinolinesulfonyl)-2-methylpiperazine(2+) +  
1-[(3S,4R,5R,6R)-6-carboxy-3,4,5-trihydroxyoxan-2-yl]-3-(4-acetamidobenzenesulfonamido)-2-phenyl-1lambda5-pyrazol-1-ylium 
1-[1-(1-benzothiophen-2-yl)cyclohexyl]piperidinium(1+) +  
1-[2-(benzhydryloxy)ethyl]-4-(3-phenylpropyl)piperazinediium(2+) +  
1-[6-carboxy-8-(2,4-difluorophenyl)-3-fluoro-5-oxo-5,8-dihydro-1,8-naphthyridin-2-yl]pyrrolidin-3-aminium +  
1-benzyl-1,2,3,4-tetrahydroisoquinolin-2-ium 
1-benzyl-2-methyl-1,2,3,4-tetrahydroisoquinolinium 
1-butyl-2-[(2,6-dimethylphenyl)carbamoyl]piperidinium +  
1-hexadecyl-2-ammonio-2-deoxy-sn-glycerol +  
1-hydroxy-3-(indol-3-ylmethyl)-6H,7H,8H-5lambda(5)-pyrrolo[1,2-a]pyrazin-5-ylium 
1-hydroxy-3-\{[2-(1,1-dimethylallyl)-indol-3-yl]methyl\}-4H,6H,7H,8H-pyrrolo[1,2-a]pyrazin-2-ium 
1-hydroxy-3-\{[2-(1,1-dimethylallyl)-indol-3-yl]methyl\}-6H,7H,8H-5lambda(5)-pyrrolo[1,2-a]pyrazin-5-ylium 
1-methylpyrrolinium 
1-tuberculosinyladenosine(1+) 
10-deoxymethymycin(1+) 
13-(2-methylcrotonoyloxy)lupaninium 
13-deoxydaunorubicin(1+) 
13-dihydrodaunorubicin(1+) 
13-hydroxylupaninium 
15-methylhexadecasphing-4-enine-1-phosphocholine(1+) 
15alpha-stemmadenine(1+) 
16-methoxytabersoninium(1+) 
17-hydroxylupanine(1+) 
17-O-acetylajmalinium 
19-O-acetylhoerhammericine(1+) 
1D-3-ammmonio-1-guanidiniumyl-1,3-dideoxy-scyllo-inositol(2+) 
1D-myo-inositol 2-(L-cysteiniumylamino)-2-deoxy-alpha-D-glucopyranoside 
1D-myo-inositol 2-ammonio-2-deoxy-alpha-D-glucopyranoside 
2'''-acetyl-6'''-hydroxyneomycin C(4+) 
2'-deamino-2'-hydroxy-6'-dehydroparomamine(2+) 
2'-deamino-2'-hydroxyneamine(3+) 
2'-deamino-2'-hydroxyparomamine(2+) 
2'-hydroxyrifampicin(1-) 
2'-N-acetylparomamine(2+) 
2'-oxokanamycin(4+) 
2,3,5-triphenyltetrazolium +  
2,5-diammoniohexanoate 
2,6,9-trimethyl-13-oxatetracyclo[6.3.1.1(6,9).0(1,5)]tridecane carbocation 
2,6-diamino-2,3,6-trideoxy-alpha-D-glucose(2+) 
2,6-dihydroxypseudooxynicotinium(1+) 
2-[3-carboxy-3-(methylammonio)propyl]-L-histidine 
2-\{[(2E)-3-iodoprop-2-en-1-yl](propyl)ammonio\}tetralin-7-ol(1+) +  
2-\{[(4-methoxybenzyl)(methyl)amino]methyl\}-2-methylpropane-1,3-diol(1+) 
2-ammonio-2-deoxy-D-glucopyranose +  
2-arylethylammomium(1+) 
2-chloro-1,4-phenylenediaminium +  
2-deoxy-scyllo-inosamine(1+) 
2-deoxystreptamine cation +  
2-deoxystreptamine(1+) 
2-deoxystreptamine(2+) 
2-dimethylammonioethyl chloride +  
2-methyl-beta-carbolinium-6-ol 
2-phenylethanaminium 
3''-deamino-3''-hydroxykanamycin B(4+) 
3''-deamino-3''-hydroxykanamycin C(3+) 
3''-deamino-3''-hydroxykanamycin X(2+) 
3',4'-difluoro-N-\{4'-fluoro-6-[(3S)-pyrrolidin-3-yloxy][biphenyl]-3-yl\}-6-[(3S)-pyrrolidin-3-yloxy][biphenyl]-3-carboxamide(2+) +  
3'-demethylstaurosporinium(1+) 
3'-N-debenzoyl-2'-deoxytaxol(1+) 
3'-N-debenzoyltaxol(1+) 
3,3'-neotrehalosadiamine(2+) 
3,3,3-tetraminium(4+) 
3,7-bis(dimethylamino)-4-nitrophenothiazin-5-ium +  
3,7-bis(dimethylamino)phenothiazin-5-ium +   
3,7-diamino-2,8-dimethyl-5-phenylphenazin-5-ium +  
3,7-diamino-5-phenylphenazin-5-ium +  
3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium +   
3-(4-aminobenzenesulfonamido)-1-[(3S,4R,5R,6R)-6-carboxy-3,4,5-trihydroxyoxan-2-yl]-2-phenyl-1lambda5-pyrazol-1-ylium 
3-(dimethylamino)-7-(methylamino)phenothiazin-5-ium +   
3-(methylaminomethyl)indole(1+) 
3-[5-cyano-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-1-yl]-N,N-dimethylpropan-1-aminium +  
3-amino-3-deoxy-D-glucopyranose(1+) 
3-amino-7-(dimethylamino)phenothiazin-5-ium +   
3-amino-7-(methylamino)phenothiazin-5-ium +  
3-ammonio-2,3-dideoxy-scyllo-inosose(1+) 
3-ammoniopropanal 
3-hydroxyquininium 
3-methylthiopropylaminium 
3-oxohexobarbital 
3-phenyl-5-thioxo-2,5-dihydro-1,2,3-oxadiazol-3-ium 
4'-O-methylnorbelladine(1+) 
4-(3-chlorophenyl)-1-(2-hydroxy-3,3-diphenylpropyl)piperazin-1-ium(1+) +  
4-[(21-amino-4,9,12-trioxo-16,19-dioxa-5,8,13-triazahenicos-1-yl)oxy]malachite green cation 
4-\{2-[(2-hydroxybenzyl)amino]ethyl\}-2,5-dimethoxybenzonitrile(1+) +  
4-amino-5-ammoniomethyl-2-methylpyrimidine 
4-ammoniobutanal 
4-fluoro-N-\{2-[4-(7-methoxynaphthalen-1-yl)piperazin-1-yl]ethyl\}benzamide(1+) +   
4-hydroxytryptamine(1+) 
An organic cation resulting from the protonation of the primary amino group of 4-hydroxytryptamine. The major species at pH 7.3.
4-methoxy-3-indolylmethylamine(1+) 
4-methyl-cyclohexylammonium 
4-O-methylrhodomycin D(1+) 
4-O-phosphohygromycin B(1+) 
5''-phosphoribostamycin(2+) 
5-amino-5-(4-hydroxybenzyl)-6-(D-ribitylimino)-5,6-dihydrouracil(1+) 
5-aminomethyl-2-thiouridine(1+) +  
5-ammoniopentanal 
5-ammoniopentanamide 
5-hydroxykynurenaminium(1+) 
5-methyl[1,2,4]triazolo[3,4-b][1,3]benzothiazol-1-ium 
5-nonyloxytryptaminium(1+) +  
5-O-beta-D-mycaminosyl-20-oxotylonolide(1+) 
5-O-beta-D-mycaminosyltylactone(1+) 
5-O-mycaminosyltylonolide(1+) 
6'''-hydroxyneomycin C(5+) 
6'''-oxoneomycin C(5+) 
6''-O-carbamoylkanamycin A(4+) 
6'-oxoparomamine(3+) 
6,7-Dihydro-4-(hydroxymethyl)-2-(p-hydroxyphenethyl)-7-methyl-5H-2-pyrindinium 
6,8-dimethyl-6,7-didehydroergolin-6-ium 
6-(alpha-D-glucosazaniumyl)-1D-myo-inositol 
6-bromoharminium(1+) +  
6-hydroxy-N-methylmyosmine(1+) 
6-hydroxypseudooxynicotinium(1+) 
6-O-demethylthebaine zwitterion 
6-O-methyl-N-deacetylipecoside aglycone(1+) 
6-O-methyl-N-deacetylipecoside(1+) 
6-O-methyldeacetylisoipecoside aglycone(1+) 
6-O-methyldeacetylisoipecoside(1+) 
6-O-methylnorlaudanosolinium 
7''-O-phosphohygromycin B(1+) 
7,2'-dihydroxy-4'-methoxyisoflavan-4-ylium cation 
7,8-diaminononanoate cation +  
7-ammoniomethyl-7-deazaguanine 
7-methylguanosine +  
7-methylinosine 
7-O-acetylsalutaridinol(1+) 
8-benzyloxy-5,7-diphenylquinoline(1+) 
acarbose(1+) 
acebutolol(1+) +  
acridine half-mustard(2+) +  
acridinium ion +   
adamantan-1-aminium +  
adenosine 5'-monophosphate(1+) 
agroclavine(1+) 
ajmalicine(1+) 
ajmalinium 
akuammicine(1+) 
aldehydo-D-kanosamine(1+) 
alectinib(1+) +  
alkane-alpha,omega-diammonium(2+) +  
alogliptin(1+) +  
alpha-D-kanosamine(1+) 
alstonine(1+) 
alverine(1+) +  
alvocidib(1+) +  
amikacin(4+) +  
amiloride(1+) +  
amino-acid cation +   
aminopropylcadaverine(3+) 
ammonioacetaldehyde 
ammonioacetone 
ammoniodiacetate 
ammonium compound +   
amodiaquine(1+) 
amorolfine(1+) +  
ancitabine(1+) +  
anthocyanidin cation +   
anthocyanin +   
anthracycline cation +  
arasertaconazole(1+) +  
arformoterol(1+) +   
argemonine(1+) 
atropinium 
ATTO 565 para-isomer(1+) +  
ATTO 590 meta-isomer(1+) +  
ATTO 590 para-isomer(1+) +  
ATTO 610-2(1+) +  
ATTO 635-2(1+) +  
AZD1979(1+) 
bedaquiline(2+) +  
benazepril(1+) +  
benethamine(1+) +  
benserazide(1+) +  
benzathine(1+) 
benzathine(2+) +  
benzothiazolium ion +   
benzoxazolium ion +  
benzydamine(1+) 
benzyl cetraxate(1+) 
benzylaminium 
bepotastine(1+) +  
berbamuninium(2+) 
BGT226(1+) +  
bis(3-azaniumylpropyl)azanium 
BoBo-1(4+) +  
BoBo-3(4+) +  
brilliant cresyl blue(1+) +  
bromhexine(1+) +  
buclizine(2+) +  
bulbocapnine(1+) 
buspirone(1+) +  
butamben(1+) +  
butirosin B(4+) 
caldopentamine(4+) 
caldopentamine(5+) 
carbocyanin DBTC(1+) +  
carbon monoxide(1+) 
cariprazine(1+) +  
carmoxirole(1+) +  
carteolol(1+) +  
catharanthine(1+) 
cationic chitosan 
cationic sphingoid +  
Celestin blue B(1+) +  
CGP 78608(1+) +  
chanoclavine-I(1+) 
chelerythrine  
chelirubine +  
chloroeremomycin(2+) 
chloroorienticin B(1+) 
chromenyliums +   
cinanserin(1+) +  
clenbuterol(1+) +  
clidinium +   
clobenpropit(2+) +  
clofedanol(1+) 
clomipramine(1+) +  
cobimetinib(1+) +  
cocaine(1+) +  
codeine(1+) 
codeinone(1+) 
coformycin(1+) 
CP-96345(1+)  
cresyl violet +  
Cu(I)-S-Mo(IV)(=O)O-NBIC Cluster 
cyanopindolol(1+) 
cyclohexyl isocyanide(1+) 
cyclohexylammonium 
cyclopentadienylium 
cysteaminium 
D-2-ammoniohexano-6-lactam 
D-cycloserine(1+) 
D-glucosylsphingosine(1+) +  
D-ornithinium(1+) 
D-synephrine(1+) 
dabigatran etexilate(1+) +  
daclatasvir(2+) +  
deacetylipecoside aglycone(1+) +  
deacetylipecoside(1+) +  
deacetylisoipecoside(1+) 
deaminohydroxyblasticidin S(1+) 
demethyllactenocin(1+) +  
demethylmacrocin(1+) 
dexverapamil(1+) +  
DH334(1+) +  
DH335(1+) +  
diazonium ion +  
dibenziodolium +   
didehydroagroclavine 
dihydrochanoclavine-I aldehyde(1+) 
dihydroprecondylocarpine acetate 
dihydrostreptomycin 6-phosphate(1+) 
diltiazem(1+) +  
dimethylaminium +  
dipivefrin(1+) +  
diquat  
dopaminium(1+) 
E-3810(1+) +  
ecgoninium methyl ester(1+) 
ecgononium methyl ester(1+) 
edoxaban(1+) +  
eletriptan(1+) +  
eliglustat(1+) +  
emetine(2+) +  
ent-diltiazem(1+) +  
epivancomycin(1+) 
epoxyqueuine(1+) 
eprazinone(2+) +  
eribulin(1+) +  
erythromycin cation +  
ethidium homodimer tetracation +  
ethyl nile blue(1+) +  
ethylaminium +  
festuclavine(1+) 
fingolimod(1+) +   
flecainide(1+) +  
FR901469(1+) +  
framycetin(6+) 
fumigaclavine A(1+) 
fumigaclavine B(1+) 
fumigaclavine C(1+) 
fumonisin B1(3-) 
Gallamin blue(1+) +  
gallocyanin(1+) +  
gamma-carboxy-L-glutamic acid zwitterion(2-) 
gamma-L-glutamylcadaverine(1+) 
gamma-L-glutamylspermidine(2+) 
gamma-L-glutamylspermine(3+) 
gentamicin C(5+) 
gentamycin C1a(5+) 
gentamycin(2+) +  
gevotroline(1+) +  
GGTI-2133 free base(1+) +   
glutathionylspermidinium(2+) 
GR 127935(1+) +  
gramine(1+) 
histaminium 
hoerhammericine(1+) 
Hoffman's violet(1+) 
homoserinium lactone 
hycanthone(1+) +  
hydrabamine(1+) 
hydrabamine(2+) +  
hygromycin B(3+) 
ICR 340(2+) +  
imetit(2+) +  
imidazolium ion +   
iminium ion +   
indacaterol(1+) +  
indole alkaloid cation +  
indolium ion +  
indolmycin(1+) 
intermediate I 
iodonitrotetrazolium +  
irinotecan(1+) +  
isavuconazonium +  
isochromenylium 
isopropylaminium +  
ivabradine(1+) +  
JTE-607(2+) +  
kanamycin A 3'-phosphate(2+) 
kanamycin A(4+) +  
kanamycin B(5+) 
kanamycin C(4+) 
kanamycin D(3+) 
kanamycin X(3+) 
ketotifen(1+) +  
L-2-ammoniohexano-6-lactam 
L-adenosylselenomethionine 
L-adenosylselenomethionine zwitterion 
L-alaninamide(1+) 
L-histidinal(1+) 
L-histidinol(1+) 
L-homoserine lactone(1+) 
L-tryptophanamide(1+) 
laudanine(1+) +  
legionaminate(1+) 
levobunolol(1+) +  
lochnericine(1+) 
lomitapide(1+) +  
loperamide(1+) +  
lorcaserin(1+) +  
lupanine(1+) 
lurasidone(1+) +   
LY-310762(1+) +  
m-tyraminium 
macarpine 
macrocin(1+) 
mauveine A +  
mauveine B +  
mauveine B2 +  
mauveine C +  
melamine(1+) 
memantinium(1+) +  
meso-tetrakis(N-methyl-4-pyridyl)porphine(4+) +   
methiothepin(2+) +  
methoctramine(4+) +   
methyl-Co(2+) 
methylammonium +  
methylated primary amine(1+) +  
methylium +  
methylphenidate(1+) +  
methymycin(1+) 
metoclopramide(1+) +  
metoclopramide(2+) +  
metronidazole(1+) +  
midodrine(1+) +  
morphine(1+) 
morphiniumone(1+) 
moxifloxacinium(1+) +  
mycinamicin cation +  
N(1),N(12)-diacetylsperminium(2+) 
N(1),N(8)-bis(coumaroyl)spermidine(1+) 
N(1),N(8)-bis(sinapoyl)-spermidine(1+) 
N(1)-acetylspermidinium(2+) 
N(1)-acetylsperminium(3+) 
N(2')-acetylgentamycin C1a(4+) 
N(2),N(2),N(7)-trimethylguanosine 5'-triphosphate(1+) +  
N(3')-acetyl-2-deoxystreptamine antibiotic(1+) 
N(3')-acetylgentamycin C(4+) 
N(4)-aminopropylspermidine(4+) 
N(4)-aminopropylspermine(5+) 
N(6')-acetylkanamycin B(4+) 
N(8)-acetylspermidinium(2+) 
N(alpha)-acetyl-L-lysine methyl ester(1+) 
N(gamma)-nitro-L-arginine methyl ester(1+) +  
N(tele)-methylhistaminium 
N-(2,3-dihydro-1,4-benzodioxin-2-ylmethyl)-2-(2,6-dimethoxyphenoxy)ethanaminium(1+) +  
N-(3-acetamidopropyl)-4-ammoniobutanal 
N-(3-ammoniopropyl)-4-ammoniobutanal 
N-(4-aminobutyl)-5-chloronaphthalene-2-sulfonamide(1+) +  
N-(ammoniomethyl)urea 
N-[(E)-4-ammoniobutylidene]propane-1,3-diaminium 
N-[1,4-dioxo-3-(1-pyridin-1-iumyl)-2-naphthalenyl]-2-thiophenesulfonamide 
N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide(2+) +  
N-acetyl-beta-D-glucosaminyl-(1->4)-D-glucosaminium(1+) 
N-acetylcadaverine(1+) 
N-acetylputrescinium 
N-allyl-1-phenyl-2,3,4,5-tetrahydro-3-benzazepinium-7,8-diol(1+) +  
N-allyl-6-chloro-1-(3-methylphenyl)-2,3,4,5-tetrahydro-3-benzazepinium-7,8-diol(1+) +  
N-caffeoylputrescinium(1+) 
N-carbamoylputrescinium(1+) 
N-deacetylisoipecoside aglycone(1+) 
N-demethylindolmycin(1+) 
N-methyl-6-chloro-1-(3-methylphenyl)-2,3,4,5-tetrahydro-3-benzazepinium-7,8-diol(1+) +  
N-methylheliamine(1+) 
N-methylmyosmine(1+) 
N-methylphenylethanolaminium 
N-methylputrescinium(2+) 
N-methyltyraminium 
N-monoacetylalkane-alpha,omega-diamine(1+) 
naloxone(1+) +  
naltrexone(1+) +  
NAN 190(1+) +   
narbomycin(1+) 
neamine(4+) +  
nebramycin 5'(5+) 
nelfinavir(1+) +  
neomethymycin(1+) 
neomorphine(1+) 
neomorphinone(1+) 
neomycin C(6+) 
neopikromycin(1+) 
neopine(1+) 
neopinone(1+) 
neutral red(1+) +  
nile blue(1+) +  
nimustine(1+) +  
nintedanib(1+) +  
nitridocarbon(1+) 
nitro blue tetrazolium(2+) +   
noradrenaline(1+) +  
norajmaline(1+) 
norbelladine(1+) 
nororientalinium(1+) 
nostocarboline 
novamethymycin(1+) 
novapikromycin(1+) 
O-acetyl-15alpha-stemmadenine(1+) 
O-demethylpuromycin(1+) 
octopaminium +  
oleandomycin(1+) 
olodaterol(1+) +  
organic radical cation +  
oripavine(1+) 
osimertinib(1+) +  
oxazine-1 +  
oxazine-170(1+) +  
oxazine-750 
oxycodone(1+) +  
palonosetron(1+) +  
panobinostat(1+) +  
paraquat +   
paromamine(3+) 
paroxetinium(1+) +  
pavine(1+) 
pazopanib(1+) +  
PD-153035(1+) +  
pentolinium ion +   
pentostatin(1+) 
peptide cation +  
pergolide(1+) +  
pethidine(1+) +  
PF-670462 free base(2+) +   
phenazopyridine(1+) +  
phenoxenium 
phentermine(1+) 
phenylephrine(1+) +  
phenylethanolaminium 
pikromycin(1+) 
pipacycline(1+) +  
pipamperone(2+) +  
piperidinium ion +   
pizotifen(1+) +  
polycationic macromolecule +  
pramipexole(2+) +  
precondylocarpine acetate 
primary alkymercury(1+) +  
primary ammonium ion +  
prinomastat(1+) +  
procaine(1+) +  
procarbazine(1+) +  
promethazine(1+) +  
propafenone(1+) +  
propan-1-aminium 
pseudoephedrine(1+) +  
pseudooxynicotinium(1+) +  
pseudotropinium 
psychosine(1+) 
puromycin(1+) +  
pyocyanine(1+) 
pyridazinium ion +  
pyridinium ion +   
pyridoxaminium(1+) +  
pyryliums +  
quaternary ammonium ion +   
queuine(1+) 
quinapril(1+) +   
quinine(1+) +   
quininib(1+) +  
quinolinium ion +   
raloxifene(1+) +  
retaspimycin(1+) +  
reticuline(1+) +  
reticulinylium 
rhodamine 110(1+) +  
rhodamine 123(1+) +   
rhodamine 6G(1+) +   
rhodamine 700 +  
rhodamine B(1+) +  
rhodomycin D(1+) 
ribostamycin(4+) +  
rilpivirine(1+) +  
ritlecitinib(1+) +  
rivastigmine(1+) +  
Ro 48-8071(1+) +  
rolapitant(1+) +  
RS 39604(1+) +  
rucaparib(1+) +  
S-acetylcysteaminium 
S-adenosyl-4-methylthio-2-oxobutanoic acid 
S-adenosyl-L-methionine zwitterion +  
S-adenosyl-S-carboxymethyl-L-homocysteine 
S-adenosylmethioninaminium 
salutaridinium(1+) 
SB 224289(1+) +  
scopolamine(1+) +  
secondary ammonium ion +   
senecionine(1+) 
sepantronium +   
serotonin(1+) 
serpentine(1+) 
sertraline(1+) +  
SIS3 free base(1+) +  
SKF-96365 free base(1+) +   
sotalol(1+) +  
spectinomycin(2+) +  
spermidine(3+) +  
spermine(4+) +  
sphingosine-1-phosphocholine(1+) 
spirit blue(1+) +  
SQ109(1+) 
staurosporinium 
stepharanine 
streptomycin 3''-phosphate(1+) 
streptomycin 6-phosphate(1+) 
strictosidine aglycone(1+) 
sulfocholine +  
sumatriptan(1+) +  
sym-homospermidinium(3+) 
synephrinium 
tandospirone(1+) +   
tenofovir alafenamide(1+) +  
terbinafine(1+) +  
tert-butylammonium 
tertiary ammonium ion +   
tetradecaphytosphingosine(1+) 
tetrahydroalstonine(1+) 
tetramethylchloromethylrosamine +  
tetramethylrhodamine ethyl ester(1+) +  
tetramethylrhodamine thiocyanate cation +  
tetrazolium blue(2+) +  
tetrazolium violet(1+) +   
thebaine(1+) 
thermosperminium(4+) 
thiocyclam(1+) +  
thionine cation +  
tiagabine(1+) +  
tigecycline(1+) 
tilorone(2+) +  
tobramycin(5+) +  
tolonium +   
tricaine(1+) +  
triethanolammonium +  
triethylammonium ion +  
trimethylammonium +  
trimethylselenonium 
triphenylsulfonium +  
triplatin(4+) +  
triprolidine(1+) +  
tritylium 
tropinium +  
tropiniumone 
tropisetron(1+) +  
trovafloxacin(1+) +  
trypanothione disulfide(1+) 
trypanothione(1+) 
tryptaminium +  
tylosin(1+) 
tyraminium 
Val-boroPro(1+) 
validamycin A(1+) 
validoxylamine A(1+) 
vancomycin(1+) 
vanoxerine(2+) +   
varenicline(1+) +  
vilanterol(1+) +  
vilazodone(1+) +  
vinca alkaloid cation +  
vortioxetine(1+) +  
xylazine(1+) +  
ZM 323881 
ZM 323881(1+) +  

Synonyms
Exact Synonyms: 2-(4-hydroxy-1H-indol-3-yl)ethanaminium
Related Synonyms: 4-hydroxytryptamine ;   Formula=C10H13N2O ;   InChI=1S/C10H12N2O/c11-5-4-7-6-12-8-2-1-3-9(13)10(7)8/h1-3,6,12-13H,4-5,11H2/p+1 ;   InChIKey=FKIRTWDHOWAQGX-UHFFFAOYSA-O ;   SMILES=C=1C=2NC=C(C2C(=CC1)O)CC[NH3+]
Xrefs: MetaCyc:CPD-20575 ;   PMID:28763571 ;   Reaxys:25990087
Cyclic Relationships: is_conjugate_acid_of CHEBI:139217

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