| Synonym | Acid Yellow 61, sodium 2,5-dichloro-4-[4-[[2-[(ethylphenylamino)sulphonyl]phenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate, Benzenesulfonic acid, 2,5-dichloro-4-4-2-(ethylphenylamino)sulfonylphenylazo-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl-, sodium salt, benzenesulfonic acid, 2,5-dichloro-4-[4-[[2-[(ethylphenylamino)sulfonyl]phenyl], C.I. Acid yellow 61, Aminyl Yellow E-G, Mitsui Nylon Fast Yellow G, Sandolan Fast Yellow P-L, Acid Yellow 61, C.I. Acid Yellow 61, EINECS 235-397-1, Benzenesulfonic acid, 2,5-dichloro-4-(4-((2-((ethylphenylamino)sulfonyl)phenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-, sodium salt, Sodium 2,5-dichloro-4-(4-((2-((ethylphenylamino)sulphonyl)phenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonate |