3,4-Dihydro-N,N-dimethyl-1-(3-pyridinyl)-3-isoquinolineethanamine ethanedioate (salt) 3-Isoquinolineethanamine, 3,4-dihydro-N,N-dimethyl-1-(3-pyridinyl)-, ethanedioate (salt) 83658-89-3