129658-13-5 2,5-Dimethoxy-N-methyl-4-(pentylthio)benzeneethanamine (Z)-2-butenedioate (1:1) Benzeneethanamine, 2,5-dimethoxy-N-methyl-4-(pentylthio)-, (Z)-2-butenedioate (1:1) N-Methyl-2-(2,5-dimethoxy-4-(pentylthio)phenyl)ethylamine maleate