1,4-Benzenedicarboxylic acid, 2-((1-(((2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino)carbonyl)-2-oxopropyl)azo)-, dimethyl ester 2-((2,5-Dicarbomethoxyphenyl)azo)-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-butanamide 35636-63-6 63661-03-0 Dimethyl 2-((1-(((2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino)carbonyl)-2-oxopropyl)azo)terephthalate EINECS 252-650-1