1,2,3,4,7,8-Hexahydro-6H-cyclopent(g)isoquinoline hydrochloride 1H-Cyclopent(g)isoquinoline, 2,3,4,6,7,8-hexahydro-, hydrochloride 2,3,4,6,7,8-Hexahydro-1H-cyclopent(g)isoquinoline hydrochloride 63515-31-1 VUFB-10554