5-Benzoyl-5,6,7,8,9,10-hexahydrocyclohepta(b)-1,3-dioxolo(4,5-f)indole 50332-35-9 BRN 1031783 CYCLOHEPTA(b)-1,3-DIOXOLO(4,5-f)INDOLE, 5,6,7,8,9,10-HEXAHYDRO-5-BENZOYL-