(7-Nitrobenz-2-oxa-1,3-diazol-4-yl)aminopentylmethylphosphonofluoridate 96304-85-7 Nbd-AP-mfp Nbd-aminopentylmethylphosphonofluoridate Phosphonofluoridic acid, methyl-, 5-((7-nitro-4-benzofurazanyl)amino)pentyl ester