Chemical Name: 2-Hydroxy-2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetic acid
Synonym: T4-Hydroxyacetic Acid (USP) ; Levothyroxine Hydroxyacetic Acid Impurity
Smiles: IC1=C(O)C(I)=CC(OC2=C(I)C=C(C(O)C(O)=O)C=C2I)=C1
Inchi: InChI=1S/C15H11I4NO5/c16-7-3-6(4-8(17)13(7)22)25-14-9(18)1-5(2-10(14)19)12(21)11(20)15(23)24/h1-4,11-12,21-22H,20H2,(H,23,24)/t11-,12?/m0/s1