1-Methyl-2-nitro-7-bromonaphtho(2,1-b)furan 7-Bromo-1-methyl-2-nitronaphtho(2,1-b)furan 95454-95-8 BRN 5556738 NAPHTHO(2,1-b)FURAN, 7-BROMO-1-METHYL-2-NITRO- R 7470