5-(p-Toluoyl)-6,7,8,9-tetrahydro-5H-1,3-dioxolo(4,5-b)carbazole 50332-25-7 5H-1,3-DIOXOLO(4,5-b)CARBAZOLE, 6,7,8,9-TETRAHYDRO-5-(p-TOLUOYL)- 5H-1,3-Dioxolo(4,5-b)carbazole, 6,7,8,9-tetrahydro-5-(4-methylbenzoyl)- BRN 1032743