Synonyms: 77804-81-0;EINECS 278-770-4;Pigment Yellow 180;AC1Q1JAR;AC1L4Y7X;2,2'-(Ethylenebis(oxyphenyl-2,1-eneazo))bis(N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide);2,2'-{ethane-1,2-diylbis[oxybenzene-2,1-diyl(E)diazene-2,1-diyl]}bis[3-oxo-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)butanamide];2-[[2-[2-[2-[[1,3-dioxo-1-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)amino]butan-2-yl]diazenyl]phenoxy]ethoxy]phenyl]diazenyl]-3-oxo-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)butanamide;2-[2-[2-[2-[1,3-dioxo-1-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)amino]butan-2-yl]diazenylphenoxy]ethoxy]phenyl]diazenyl-3-oxo-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)butanamide;244095-88-3;324767-33-1;790240-56-1;791640-83-0;Butanamide, 2,2'-(1,2-ethanediylbis(oxy-2,1-phenylene-2,1-diazenediyl))bis(N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-;Butanamide, 2,2'-(1,2-ethanediylbis(oxy-2,1-phenyleneazo))bis(N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxo-