1,2,3,7,8,12b-Hexahydrobenzo(1,2)cyclohepta(3,4,5-de)isoquinoline-2-carboxamide 19701-67-8 3,7,8,12b-Tetrahydrobenzo(6,7)cyclohept(1,2,3-de)isoquinoline-2(1H)-carboxamide BRN 1351911 Benzo(6,7)cyclohept(1,2,3-de)isoquinoline-2(1H)-carboxamide, 3,7,8,12b-tetrahydro-