4-(4-Methyl-1-piperazinyl)-7-nitro-benzofurazan 3-oxide 58131-57-0 7-(4-Methyl-1-piperazinyl)-4-nitrobenzofurazan 1-oxide B2368 BENZOFURAZAN, 7-(4-METHYL-1-PIPERAZINYL)-4-NITRO-, 1-OXIDE Benzofurazan, 4-(4-methyl-1-piperazinyl)-7-nitro-, 3-oxide NSC 179940 NSC 207895