5-(m-Chlorobenzoyl)-5,6,7,8-tetrahydrocyclopenta(b)-1,3-dioxolo(4,5-f)indole 50332-14-4 BRN 1033151 Cyclopenta(b)-1,3-dioxolo(4,5-f)indole, 5,6,7,8-tetrahydro-5-(m-chlorobenzoyl)-