3a,4,5,6,7,7a-Hexahydro-3-(1-methyl-5-nitro-1H-imidazol-2-yl)-1,2-benzisoxazol-6,7-epoxide Benzisoxazole, 3a,4,5,6,7,7a-hexahydro-6,7-epoxy-3-(1-methyl-5-nitroimidazol-2-yl)- DE4926500