Etoricoxib N1�-Oxide

5-Chloro-2-(6-methyl-1-oxidopyridin-1-ium-3-yl)-3-(4-methylsulfonylphenyl)pyridine|5-Chloro-6-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3-bipyridine] 1-oxide C|5-Chloro-6'-methyl-3-[4-(methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide|5-Chloro-6'-methyl-3-[4-(methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide;|5-Chloro-6�-methyl-3-[4-(methylsulfonyl)phenyl]-2,3�-bipyridine 1�-Oxide;