1-(4-Aminophenyl)-3-acetyl-4-methyl-7,8-methylene-dioxy-3,4-dihydro-5H-2,3-benzodiazepine 143692-40-4 7H-1,3-Dioxolo(4,5-h)(2,3)benzodiazepine, 8,9-dihydro-7-acetyl-5-(4-aminophenyl)-8-methyl-, monohydrochloride