Pigment Red 175 2-[[3-[[(2,3-dihydro-2-oxo-1h-benzimidazol-5-yl)amino]-carbonyl]-2-hydroxy-1-naphthalenyl]-azo]-benzoic acid methyl ester methyl 2-[[3-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-hydroxy-1-naphthyl]azo]benzoate Benzoic acid, 2-3-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)aminocarbonyl-2-hydroxy-1-naphthalenylazo-, methyl ester C.I. Pigment Red 175 Permanent Red S2T C.I.12513 2-((3-(((2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)amino)-carbonyl)-2-hydroxy-1-naphthalenyl)-azo)-benzoicacid methylester