英文别名(1R,3R)-Methyl 1-(benzo[d][1,3]dioxol-5-yl)-2-(2,2-dichloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate; methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxylate; Methoxyoxomethyl Tadalafil Dichloride; Tadalafil Impurity N; 1H-Pyrido[3,4-b]indole-3-carboxylic acid, 1-(1,3-benzodioxol-5-yl)-2-(2,2-dichloroacetyl)-2,3,4,9-tetrahydro-, methyl ester, (1R,3R)-; Tadalafil Dichloro Impurity; Tadalafil impurity 7 
