50279-95-3 5H-1,3-DIOXOLO(4,5-f)PYRIDO(4,3-b)INDOLE, 6,7,8,9-TETRAHYDRO-5-(m-CHLOROBENZOYL) 5H-1,3-Dioxolo(4,5-f)pyrido(4,3-b)indole, 6,7,8,9-tetrahydro-5-(m-chlorobenzoyl)-8-methyl-, monohydrochloride 6,7,8,9-Tetrahydro-5-(m-chlorobenzoyl)-8-methyl-5H-1,3-dioxolo(4,5-f)pyrido(4,3-b)indole HCl