英文别名Febuxostat Impurity 63; 3-Descyano-3-formyl Febuxostat Isobutyl Ester; Febuxostat Impurity 74; 2-(3-formyl-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid isobutyl ester; Febuxostat Impurity 60; Febuxostat-62; Febuxostat Impurity 113; Febuxostat Impurity 103; 5-Thiazolecarboxylic acid, 2-[3-formyl-4-(2-methylpropoxy)phenyl]-4-methyl-, 2-methylpropyl ester