3,4-Dihydro-N,N-dimethyl-1-(3-methylphenyl)-3-isoquinolineethanamine ethanedioate (1:2) 3-Isoquinolineethanamine, 3,4-dihydro-N,N-dimethyl-1-(3-methylphenyl)-, ethanedioate (1:2) 83658-44-0