英文别名Parecoxib Impurity H; Parecoxib Sodium Imp.H; Parecoxib Sodium Impurity J; Parecoxib Sodium Impurity L; Parecoxib Sodium Impurity Y; Parecoxib-005; Valdecoxib Disulfonamide Impurity; N-[[3-[5-methyl-4-[4-[[(1-oxopropyl)amino]sulfonyl]phenyl]-3-isoxazolyl]phenyl]sulfonyl]-Propanamide; N-[4-[5-methyl-3-[3-(propanoylsulfamoyl)phenyl]-1,2-oxazol-4-yl]phenyl]sulfonylpropanamide; N-((4-(5-methyl-3-(3-(N-propionylsulfamoyl)phenyl)isoxazol-4-yl)phenyl)sulfonyl)propionamide; Parecoxib Sodium Impurity 31; Valdecoxib Disulfonamide; Parecoxib sodium Impurity 11 
