1H-Cyclopent(f)isoquinoline, 2,3,4,7,8,9-hexahydro-3-(3,4-dimethoxybenzoyl)-5,6-dimethoxy- 3-(3,4-Dimethoxybenzoyl)-5,6-dimethoxy-2,3,4,7,8,9-hexahydro-1H-cyclopent(f)isoquinoline 57612-20-1 7,8-Dimethoxy-N-(3,4-dimethoxybenzoyl)-1,2,3,4-tetrahydro-cyclopentano(f)isoquinoline BRN 1556552