5-(Cyclopentylacetyl)-5,6,7,8-tetrahydrocyclopenta(b)-1,3-dioxolo(4,5-f)indole 50332-18-8 BRN 1020020 Cyclopenta(b)-1,3-dioxolo(4,5-f)indole, 5,6,7,8-tetrahydro-5-(cyclopentylacetyl)-