7-(ACETYLAMINO)-4-HYDROXY-3-(2-(2-METHYL-4-(2-(4-SULFOPHENYL)DIAZENYL)PHENYL)DIAZENYL)-2-NAPHTHALENESULFONIC ACID
7-(acetylamino)-4-hydroxy-3-(2-(2-methyl-4-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl)-2-naphthalenesulfonic acid