2-(4-Methyl-1-piperazinyl)-11-(p-tolyl)-10,11-dihydro-pyridazino(3,4-b)(1,4)benzoxazepine 70301-63-2 Pyridazino(3,4-b)(1,4)benzoxazepine, 10,11-dihydro-2-(4-methyl-1-piperazinyl)-11-(p-tolyl)-