3,4-Dimethoxy-N-methyl-alpha-(4-methylphenyl)benzeneethanamine (Z)-2-butenedioate (1:1) 87203-65-4 Benzeneethanamine, 3,4-dimethoxy-N-methyl-alpha-(4-methylphenyl)-, (Z)-2-butenedioate (1:1) N-Methyl-2-(3,4-dimethoxyphenyl)-1-(4-tolyl)ethylamine maleate