29270-56-2 4-Fluoro-4-nitro-2,1,3-benzoxadiazole 4-Fluoro-7-nitrobenzo-2-oxa-1,3-diazole 7-Fluoro-4-nitrobenzofurazan 7-fluoro-4-nitrobenzo-2-oxa-1,3-diazole Benzofurazan, 4-fluoro-7-nitro- Nbd-F cpd Nbd-fluoride