BAS 00127991;MLS000714417;SMR000274396;A2192/0092184;EINECS 204-232-5;1-(2'-Methyl-4'-sulphophenyl)-3-methyl-5-pyrazolone;1-(2''-METHYL-4''-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE;3-Methyl-1-(2-methyl-4-sulfophenyl)-2-pyrazolin-5-one;1-(2-Methyl-4-sulfophenyl)-3-methyl-1H-pyrazol-5(4H)-one;3-methyl-4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid