1H-Cyclopent[h]isoquinoline, 2,3,4,7,8,9-hexahydro-5,6-dimethoxy-2-(2-methylbutyl)-, hydrobromide 59002-00-5 Cyclopent[h]isoquinoline, 1,2,3,4-tetrahydro-5,6-methoxy-2-(2-methylbutyl)-, hydrobromide NSC302680