Isocelecoxib;N-De(4-sulfonamidophenyl)-N’-(4-sulfonamidophenyl) Celecoxib;Celecoxib Related Compound B;N-De(4-sulfonamidophenyl)-N'-(4-sulfonamidophenyl) Celecoxib;N-De(4-sulfonamidophenyl)-N\'-(4-sulfonamidophenyl) Celecoxib;4-[3-(4-Methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide;4-[3-(4-methylphenyl)-5-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide;Celecoxib impurity B