171596-27-3

(6R,12aS)- is-Tadalafil cis-Tadalafil Tadalafil-001 6R,12S-Tadalafil Tadalafil Epimer Tadalafil-001-6R12S Tadanafil Impurity A Tadalafil Impurity 13 Calais EP Impurity A 12-epi-TadalafilTadalafil 6R,12S-Tadalafil(Impurity A) Tadalafil impurity 3(Isomer) Tadanafil EP or USP impurity A Tadalafil IMpurity: IMpurity H 6R,12S-Tadalafil (EP Impurity A) Tadalafil EP IMpurity A (cis-tadalafil) Tadalafil Impurity A (6R,12S-Tadalafil) Tadalafil EP Impurity A ((6R,12S)-Tadalafil) Tadanafil EP Impurity A ((6R, 12S)-Tadanafil) Tadalafil Impurity 13 (Tadalafil EP Impurity A) (6R,12aS)-6-(1,3-benzodioxol-5-yl)-2-Methyl-2,3,6,7,12,12a-hexahydropyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione (6R,12aS)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methylpyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione (6R,12aS)-6-(benzo[d][1,3]dioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione (6R,12aS)-2,3,6,7,12,12a-hexahydro-2-methyl-6-(3,4-methylenedioxyphenyl)-pyrazino[2',1':6,1]pyrido[3,4-b]indole-1,4-dione 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, 12aS)- Tadalafil impurity 1/Tadalafil EP Impurity A/ (6R,12aS)-6-(benzo[d][1,3]dioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione