Chemical Name: 3-nitro-4-(phenoxy-d5)-5-sulfamoylbenzoic acid
Synonym: Febuxostat Bromo Impurity ; 2-[3-Bromo-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid ;
Smile: O=C(O)C(C=C1[N+]([O-])=O)=CC(S(N)(=O)=O)=C1OC2=C([2H])C([2H])=C([2H])C([2H])=C2[2H]