英文别名Etoricoxib impurity 26; Deschloro Etoricoxib; 2-(6-methylpyridin-3-yl)-3-(4-methylsulfonylphenyl)pyridine; Etoricoxib Impurity 13; 2-(6-methyl-3-pyridyl)-3-(4-methylsulfonylphenyl)pyridine; Etoricoxib Impurity; Etoricoxib IMP; Etoricoxib C; Descloro Etoricoxib