1709956-89-7

Parecoxib Sodium-17 Valdecoxib IMpurity K parecoxib meta isomer Parecoxib Sodium impurity S Parecoxib Sodium Impurity 19 Parecoxib Sodium Impurity 14 N-[[3-(5-methyl-3-phenyl-4-isoxazolyl)phenyl]sulfonyl]- N-[[3-(5-Methyl-3-phenyl-4-isoxazolyl)phenyl]sulfonyl]propanamide Propanamide, N-[[3-(5-methyl-3-phenyl-4-isoxazolyl)phenyl]sulfonyl]- Parecoxib impurity 1/N-((3-(5-methyl-3-phenylisoxazol-4-yl)phenyl)sulfonyl)propionamide N-((3-(5-Methyl-3-phenylisoxazol-4-yl)phenyl)sulfonyl)propionamide (Palbociclib Impurity)