129658-33-9 2,5-Dimethoxy-N,N-dimethyl-4-(heptylthio)benzeneethanamine (Z)-2-butenedioate (1:1) Benzeneethanamine, 2,5-dimethoxy-N,N-dimethyl-4-(heptylthio)-, (Z)-2-butenedioate (1:1) N,N-Dimethyl-2-(4-(heptylthio)-2,5-dihydroxyphenyl)ethylamine maleate