1,2,3,7,8,12b-Hexahydrobenzo(1,2)cyclohepta(3,4,5-de)isoquinolin-3-one 1,7,8,12b-Tetrahydrobenzo(6,7)cyclohept(1,2,3-de)isoquinolin-3(2H)-one Benzo(6,7)cyclohept(1,2,3-de)isoquinolin-3(2H)-one, 1,7,8,12b-tetrahydro- DE8384660