(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione (171489-03-5)

Identification
Name:	(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
Synonyms:	(6R,12aR)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione;(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione;DesMethylene Tadalafil;Tadalafil IMpurity: IMpurity I;Tadalafil IMpurity K
CAS:	171489-03-5
Molecular Formula:	C21H19N3O4
Molecular Weight:	377.39326
Molecular Structure:
Properties
Safety Data

Other Product

Pyrazino[2',3':3,4]pyrido[1,2-a]indole,1-ethyl-1,2,3,4,4a,5,6,12b-octahydro-12-methyl-4-(1-methylethyl)-, trans- (9CI)
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)-rel-
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione,2-amino-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-, (6R,12aR)-
5H,14H-Pyrrolo[1'',2'':4',5']pyrazino[1',2':1,6]pyrido[3,4-b]indole-5,14-dione,1,2,3,5a,6,11,12,14a-octahydro-5a,6-dihydroxy-12-(2-methyl-1-propen-1-yl)-,(5aR,6S,12S,14aS)-
5H,14H-Pyrrolo[1'',2'':4',5']pyrazino[1',2':1,6]pyrido[3,4-b]indole-5,14-dione,1,2,3,5a,6,11,12,14a-octahydro-5a,6-dihydroxy-9-methoxy-12-(2-methyl-1-propen-1-yl)-,(5aS,6S,12S,14aS)-
5H,14H-Pyrrolo[1'',2'':4',5']pyrazino[1',2':1,6]pyrido[3,4-b]indole-5,14-dione,1,2,3,5a,6,11,12,14a-octahydro-5a,6-dihydroxy-9-methoxy-11-(3-methyl-2-buten-1-yl)-12-(2-methyl-1-propen-1-yl)-,(5aR,6S,12S,14aS)-
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 6-(2,3-dihydro-6-benzofuranyl)-1,2,3,4,6,7,12,12a-octahydro-1,4-dioxo-, 1,1-dimethylethyl ester, (3S,6R,12aR)-
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 6-(6-benzofuranyl)-1,2,3,4,6,7,12,12a-octahydro-1,4-dioxo-, 1,1-dimethylethyl ester, (3S,6R,12aR)-
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-2(1H)-butanol,a-(4-fluorophenyl)-3,4,6,7,12,12a-hexahydro-a-methyl-
4,12a-(Iminomethano)-12aH-[1,2,3,5]trithiazepino[5',4':1,5]pyrrolo[2,3-b]indole-5,13(4H)-dione,11b-[(3S,5aR,10bR,11aS)-1,2,3,4,5a,6-hexahydro-3-(hydroxymethyl)-2-methyl-1,4-dioxo-3,11a-epidithio-11aH-pyrazino[1',2':1,5]pyrrolo[2,3-b]indol-10b(11H)-yl]-6a,7,11b,12-tetrahydro-4-(hydroxymethyl)-14-methyl-,(4S,6aR,11bR,12aS)- (9CI)
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 6-(1,3-benzodioxol-5-yl)-1,2,3,4,6,7,12,12a-octahydro-1,4-dioxo-, 1-methylethyl ester, (3S,6R,12aR)-
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 1,2,3,4,6,7,12,12a-octahydro-6-(2-methylpropyl)-1,4-dioxo-, 1,1-dimethylethyl ester, (6R,12aS)-
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 6-(1,3-benzodioxol-5-yl)-1,2,3,4,6,7,12,12a-octahydro-1,4-dioxo-, 1,1-dimethylethyl ester, (3S,6R,12aR)-
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 6-(1,3-benzodioxol-5-yl)-1,2,3,4,6,7,12,12a-octahydro-1,4-dioxo-, (3S,6R,12aR)-
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 6-(1,3-benzodioxol-5-yl)-1,2,3,4,6,7,12,12a-octahydro-1,4-dioxo-, ethyl ester, (3S,6R,12aR)-
4H-Pyrazino[2,1-a]isoquinolin-4-one,1,2,3,6,7,11b-hexahydro-6-methyl-2-(3-nitrobenzoyl)-, trans-
2-Acetyl-2,3,4,4a,11,12-hexahydro-12-methyl-14-oxo-1H-12a,5-(epoxymethano)pyrido[3',4':5,6]cyclohept[1,2-b]indole-5(6H)-carbaldehyde
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 1,2,3,4,6,7,12,12a-octahydro-6-(2-methylpropyl)-1,4-dioxo-, 1,1-dimethylethyl ester, (3S,6S,12aS)-, mixt. with 4-[(4-methyl-1-piperazinyl)methy
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 1,2,3,4,6,7,12,12a-octahydro-9-methoxy-6-(2-methylpropyl)-1,4-dioxo-, 1,1-dimethylethyl ester, (3S,6S,12aS)-, mixt. with 4-[(4-methyl-1-piperaz
Pyrazino[1',2':1,6]pyrido[3,4-b]indole-2(1H)-butanol,a-(4-fluorophenyl)-3,4,6,7,12,12a-hexahydro-a-phenyl-