| Benzenesulfonic acid,4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- |
| 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-Benzenesulfonic acid |
| 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1h-pyrazol-1-yl)-benzenesulfonic aci |
| 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulphonic acid |
| 1-(2-Chloro-5-sulfophenyl)-3-methyl-5-pyrazolone |
| 1-(2-Chloro-5-sulfophenyl)-3-methyl-2-pyrazolin-5-one |
| 1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone |
| 3-methyl-1-(2'-chloro-5'-sulfonic phenyl)-5-pyrazolone |
| chloropyrazolic acid 5 |
