Benzenesulfonic acid, 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-
Benzenesulfonic acid, 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)-
2-Pyrazolin-5-one, 1-(2-chloro-5-sulfophenyl)-3-methyl-
4-Chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid
1-(2-Chloro-5-sulfophenyl)-3-methyl-5-pyrazolone
1-(6-Chloro-3-sulfophenyl)-3-methyl-5-pyrazolone
1-(2′-Chloro-5′-sulfophenyl)-3-methyl-5-pyrazolone
NSC 26425
NSC 4691