Levothyroxine Impurity 16

N-Acetyl-3,5-diiodo-L-tyrosine Levothyroxine Impurity α-Hydroxy-4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo-N-methyl-benzeneacetamide (S)-2-(2-Amino-3-(4-(3,5-diiodo-4-methoxyphenoxy)-3,5-diiodophenyl)propanamido)acetic Acid 3,3',5-TRIIODOTHYROPROPIONIC ACID

Levothyroxine Related Compound (2-Acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoic Acid) Levothyroxine Impurity Levothyroxine Impurity 54 Levosimendan Impurity 8 Levothyroxine Impurity

3,5-DIIODOTHYROACETIC ACID 3-Iodo-DL-tyrosine Levothyroxine Related Compound (2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic Acid) Levothyroxine EP Impurity B Levothyroxine Impurity 16

Levothyroxine Impurity 12 (2S,2''S)-3,3''-(((6,6''-Dihydroxy-5-iodo-[1,1''-biphenyl]-3,3''-diyl)bis(oxy))bis(3,5-diiodo-4,1-phenylene))bis(2-aminopropanoic Acid) Levothyroxine Impurity