Celecoxib impurity B;4-[3-(4-methylphenyl)-5-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide;4-[3-(4-Methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide;Celecoxib Impurity 4
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