4H-Dibenzo(de,g)quinoline, 5,6-dihydro-6,7-dimethyl-1,2,9,10-tetramethoxy-, hydrochloride 6a,7-Didehydro-7-methyl-1,2,9,10-tetramethoxyaporphine hydrochloride 74642-56-1 APORPHINE, 6a,7-DIDEHYDRO-7-METHYL-1,2,9,10-TETRAMETHOXY-, HYDROCHLORIDE