英文别名2-(3-Cyano-4-propoxyphenyl)-4-methyl-5-thiazolecarboxylic acid; O-Desisobutyl-O-n-propyl Febuxostat; 2-(3-Cyano-4-propoxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic acid; Febuxostat Impurity 25; Febuxostat Impurity Z20; Febuxostat Impurity 22 (I); Febuxostat Impurity U; Febuxostat t-Butyl Ether Acid Impurity; Febuxostat n-Propyl Ether Acid Impurity; Febuxostat-20; Febuxostat Impurity 29 
