英文别名5-chloro-3-(4-methylsulfonylphenyl)-2-pyridin-3-ylpyridine; Desmethyl etoricoxib; 2,3'-Bipyridine, 5-chloro-3-[4-(methylsulfonyl)phenyl]-; 5-Chloro-3-(4-methylsulfonylphenyl)-2-(3-pyridyl)pyridine; Etoricoxib Impurity 9; 5-Chloro-3-(4-methylsulfonylphenyl)-2-(pyridin-3-yl)pyridine; 6'-Desmethyletoricoxib; Etoricoxib Impurity I; 5-Chloro-3-(4-methanesulfonyl-phenyl)-[2,3'']bipyridinyl; 5-Chloro-3-[4-(methanesulfonyl)phenyl]-2,3'-bipyridine; Demethyl Etoricoxib; Etoricoxib Impurity 11; Etoricoxib Desmethyl Impurity; Etoscoxib methyl impurity; Etoricoxib D 
