2328-12-3 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride Heliamine hydrochloride Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-, hydrochloride Isoquinoline, 6,7-dimethoxy-1,2,3,4-tetrahydro-, hydrochloride NSC18443 WLN: T66 CMT&J HO1 IO1 &GH