1-Chloro-4-nitrobenzoxadiazole 10199-89-0 2,1,3-Benzoxadiazole, 4-chloro-7-nitro- 4-Chloro-7-nitrobenzo-2-oxa-1,3-diazole 4-Chloro-7-nitrobenzofurazan 4-Nitro-7-chlorobenzofurazan 7-Chloro-4-nitrobenzo-2-oxa-1,3-diazole 7-Chloro-4-nitrobenzofurazan BENZOFURAZAN, 4-CHLORO-7-NITRO- BRN 0614212 EINECS 233-496-4 NBD-C 1 NBD-chloride NSC 228140 Nbd chloride