77172-81-7 BG-9 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-2-((1-BUTYL-4-PHENYL-4-PIPERIDINYL)CARBONYL)-6, Isoquinoline, 1,2,3,4-tetrahydro-2-((1-butyl-4-phenyl-4-piperidinyl)carbonyl)-6,7-dimethoxy-1-((3,4-dimethoxyphenyl)methyl)- N-(1-Butyl-4-phenyl-4-piperidinyl)tetrahydropapaverine