2-Acetyl-1,2,3,7,8,12b-hexahydrobenzo(6,7)cyclohept(1,2,3-de)isoquinoline 7574-71-2 BRN 1351164 Benzo(6,7)cyclohept(1,2,3-de)isoquinoline, 1,2,3,7,8,12b-hexahydro-2-acetyl-