1708094-99-8

Parecoxib-005 Parecoxib Sodium-20 Parecoxib Impurity H Parecoxib Sodium Imp.H Valdecoxib Disulfonamide parecoxib di sulfonamide Parecoxib SodiuM iMpurity J Parecoxib Sodium Impurity L Parecoxib Sodium impurity Y Parecoxib impurity K: 4 to 3 parecoxib Valdecoxib Disulfonamide Impurity (Parecoxib Impurity 1) N-[[3-[5-methyl-4-[4-[[(1-oxopropyl)amino]sulfonyl]phenyl]-3-isoxazolyl]phenyl]sulfonyl]-Propanamide Propanamide, N-[[3-[5-methyl-4-[4-[[(1-oxopropyl)amino]sulfonyl]phenyl]-3-isoxazolyl]phenyl]sulfonyl]- Parecoxib impurity 27/Valdecoxib Disulfonamide Impurity/N-((4-(5-methyl-3-(3-(Npropionylsulfamoyl)phenyl)isoxazol-4-yl)phenyl)sulfonyl)propionamide