英文别名2,2'-(4-Isobutoxy-1,3-phenylene)bis(4-methyl-1,3-thiazole-5-carboxylic acid); 2-[3-(5-carboxy-4-methyl-1,3-thiazol-2-yl)-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylic acid; 2,2'-(4-Isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylic acid); Febuxostat Impurity D; Febuxostat Dithiazole Acid Impurity; Febuxostat-16; 5-Thiazolecarboxylic acid, 2,2'-[4-(2-methylpropoxy)-1,3-phenylene]bis[4-methyl- 
