Chemical Name: Febuxostat 4-Hydroxy Acid Impurity ; 2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic acid ;
Synonym: (E)-1-(((5-(5-(4-nitrophenyl)furan-2-carbonyl)furan-2-yl)methylene)amino)imidazolidine-2,4-dione
Smile: O=C(C1=C(C)N=C(C2=CC=C(O)C(C#N)=C2)S1)O