61785-84-0 7-(4-Benzyl-1-piperazinyl)-4-nitrobenzofurazan 1-oxide 7-(Benzylpiperazinyl)-4-nitrobenzofuroxan BENZOFURAZAN, 7-(4-BENZYL-1-PIPERAZINYL)-4-NITRO-, 1-OXIDE Benzofuran, 4-nitro-7-(4-(phenylmethyl)-1-piperazinyl)-, 1-oxide NSC 228099