英文别名Febuxostat Impurity 59; 2-(3,5-diformyl-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylate; 2-(3,5-diformyl-4-hydroxyphenyl)-4-methyl-5-thiazolecarboxylic acid ethyl ester; 5-Thiazolecarboxylic acid, 2-(3,5-diformyl-4-hydroxyphenyl)-4-methyl-, ethyl ester; Febuxostat Impurity A-2; Febuxostat Impurity 30 
