3,4-Dihydro-N,N-dimethyl-1-(2-methylphenyl)-3-isoquinolineethanamine ethanedioate (1:2) 3-Isoquinolineethanamine, 3,4-dihydro-N,N-dimethyl-1-(2-methylphenyl)-, ethanedioate (1:2) 83658-42-8