1H-Cyclopent(f)isoquinoline, 2,3,4,7,8,9-hexahydro-5,6-dimethoxy-3-((3,4-dimethoxyphenyl)acetyl)- 57612-18-7 7,8-Dimethoxy-N-(3,4-dimethoxyphenylacetyl)-1,2,3,4-tetrahydro-cyclopentano(f)isoquinoline BRN 1556813