Papaverine Impurity 73 Hydrochloride

6-Desmethyl Papaverine 3'-hydroxypapaverine 4'-hydroxypapaverine (6,7-dimethoxy-3,4-dihydroisoquinolin-1-yl)-(3,4-dimethoxyphenyl)methanone 5-((6,7-dimethoxy-3,4-dihydroisoquinolin-1-yl)methyl)-2-methoxyphenol hydrochloride

6-Isoquinolinol, 1-[(3-hydroxy-4-methoxyphenyl)methyl]-7-methoxy- 2-(3,4-dimethoxyphenyl)-N-(2-phenylethyl)acetamide 1-Des(3,4-dimethoxybenzyl) 1-Methoxymethyl 3,4-Dihydropapaverine N-(3,4-dimethoxyphenethyl)-2-(3-hydroxy-4-methoxyphenyl)acetamide Benzeneacetamide, 3,4-dimethoxy-N-[2-(4-methoxyphenyl)ethyl]-

6-Demethyl 6-O-Benzyl Papaverine Isoquinoline, 6,7-dimethoxy-1-[(4-methoxyphenyl)methyl]-, hydrochloride (1:1) 1-[(3,4-Dimethoxyphenyl)methyl]-3,4-dihydro-6,7-dimethoxyisoquinoline N-(3,4-dimethoxyphenethyl)-2-(4-hydroxy-3-methoxyphenyl)acetamide Isoquinoline, 1-[(3,4-dimethoxyphenyl)methyl]-6-methoxy-

2,3-Dimethoxybenzyl chloride 2-Benzyloxy-1-methoxy-4-(1-methoxy-2-nitroethyl)benzene Benzeneacetamide, 3,4-dimethoxy-N-[2-(3-methoxyphenyl)ethyl]-