90917-49-0

Levothyroxine Sodium Impurity 4 ethyl 4-hydroxy-3,5-diiodophenylacetate Ethyl 2-(4-hydroxy-3,5-diiodophenyl)acetate 3,5-Diiodo-4-hydroxyphenylacetic Acid Ethyl Ester 4-Hydroxy-3,5-diiodobenzeneacetic acid ethyl ester Benzeneacetic acid, 4-hydroxy-3,5-diiodo-, ethyl ester Levothyroxine impurity 8/Ethyl 4-hydroxy-3,5-diiodophenylacetate