英文别名Celecoxib Impurity 18; 4-{(Z)-[1,1,1-Trifluoro-4-(4-methylphenyl)-4-oxo-2-butanylidene]amino}benzenesulfonamide; 4-[[3-(4-Methylphenyl)-3-oxo-1-(trifluoromethyl)propylidene]amino]benzenesulfonamide; Celecoxib Diketo Schiff's Base II Impurity; Celecoxib-013; (Z)-4-((1,1,1-trifluoro-4-oxo; Benzenesulfonamide, 4-[[3-(4-methylphenyl)-3-oxo-1-(trifluoromethyl)propylidene]amino]- 
