Etoricoxib Impurity 8 4-(methylsulfinyl)benzeneacetic acid 2-Chloro-1,3-bis(dimentylamino)trimethinium hexafluorophosphate Etoricoxib Impurity 9 Etoricoxib Impurity M Etoricoxib Impurity 7 Etoricoxib IMpurity Benzeneacetic acid, 2-(methylsulfonyl)- Etoricoxib Impurity 15 Etoricoxib 2-(4-MESYLPHENYL)-1-(6-METHYLPYRIDIN-3-YL)- ETHAN-1-ONE 6'-DesMethyl-6'-carboxy Etoricoxib 5-Chloro-6'-Methyl-3-[4-(Methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide Etoricoxib Impurity 11 Etoricoxib Impurity 13 Etoricoxib N'-Oxide Etoricoxib impurity Q Etoricoxib Impurity 42