34233-69-7 5H-DIBENZO(b,e)(1,4)DIAZEPINE, 8-CHLORO-11-(4-METHYL-1-PIPERAZINYL)-, N-OXIDE 8-Chloro-11-(4-methyl-1-piperazinyl)-5H-dibenzo(b,e)(1,4)diazepine N-oxide Clozapine N-oxide