1,4-Epoxy-1H,3H-(1,4)oxazepino(4,3-a)benzimidazole, 4,5-dihydro-1-(4-ethoxyphenyl)-9-nitro- 4,5-Dihydro-1-(4-ethoxyphenyl)-9-nitro-1,4-epoxy-1H,3H-(1,4)oxazepino(4,3-a)benzimidazole 76099-18-8 BRN 5651178