C.I.28683;C.I.Acid Red 351;Acidol Scarlet GX;C.I.Acid Red 351:C.I.28683;Sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulfonate;sodium 4-[[4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulphonate;4-[[4-[2-(2-phenylindol-3-ylidene)hydrazinyl]phenyl]diazenyl]benzenesulfonate;4-[[4-[(2-Phenyl-1H-indol-3-yl)azo]phenyl]azo]benzenesulfonic acid sodium salt