2-((4-Chloro-2-(trifluoromethyl)phenyl)azo)-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide 39951-83-2 Butanamide, 2-((4-chloro-2-(trifluoromethyl)phenyl)azo)-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo- EINECS 254-716-5