69373-87-1

Drotaverine Impurity 18 Drotaverine Impurity 11 Drotaverine Impurity 12 Drotaveraldine Impurity 17 3,4-diethoxy-phenyl)-acetic acid ethyl este Benzeneacetic acid, 3,4-diethoxy-, ethyl ester N,N-bis(3,4-diethoxyphenethyl)-2-(3,4-diethoxyphenyl)acetamide N-(3,4-diethoxyphenethyl)-2-(3-ethoxy-4-hydroxyphenyl)acetamide