英文别名Levothyroxine EP Impurity F; (2S)-2-amino-3-[4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]propanoic acid; Thyroxine-4-hydroxy-3,5-diiodophenyl Ether; O-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-3,5-diiodo-L-tyrosine; Levothyroxine Sodium Impurity L; β-[4-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]alanine; Levothyroxine Impurity 6