386273-25-2

Parecoxib Sodium-8 Valdecoxib Impurity 7 Parecoxib Sodium Imp.G Parecoxib sodium Impurity 8 Parecoxib Sodium Impurity 15 -(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonaMide 3-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonamide Benzenesulfonamide, 3-(5-methyl-3-phenyl-4-isoxazolyl)- Parecoxib impurity 15/3-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonamide 3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonamide (Palbociclib Impurity)