5-(p-Chlorobenzoyl)-6,7,8,9-tetrahydro-5H-1,3-dioxolo(4,5-b)carbazole 50332-21-3 5H-1,3-DIOXOLO(4,5-b)CARBAZOLE, 6,7,8,9-TETRAHYDRO-5-(p-CHLOROBENZOYL)- BRN 1037043