英文别名Febuxostat Impurity 55; Ethyl 2-(2-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylate; 5-Thiazolecarboxylic acid, 2-(2-hydroxyphenyl)-4-methyl-, ethyl ester; 2-(2-Hydroxyphenyl)-4-methyl-5-thiazolecarboxylic acid ethyl ester; Febuxostat Impurity N; Febuxostat Impurity 19; Ethyl 2-(2-hydroxyphenyl)-4-methyl-thiazole-5-carboxylate 
