3,4-Dihydro-N,N-dimethyl-1-(2-nitrophenyl)-3-isoquinolineethanamine ethanedioate (1:1) 3-Isoquinolineethanamine, 3,4-dihydro-N,N-dimethyl-1-(2-nitrophenyl)-, ethanedioate (1:1) 83658-47-3