1,3-Dihydro-6-nitro-1-phenyl-2H-benzimidazol-2-one 2H-Benzimidazol-2-one, 1,3-dihydro-6-nitro-1-phenyl- 3-Phenyl-5-nitro-benzimidazolin-2-one 79759-31-2 BRN 5573139