tetraiodothyronine; l-t4; Thyrax; L-Thyroxine; Levothyroxine; L-THYROXIN; Henning; 3,5,3'',5''-tetraiodothyronine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine; thyroxin; thyroxinal; thx; thyroxine-binding globulin; 3,3’,5,5‘’-Tetraiodo-L-thyronine; L-3,5,3'',5''-tetraiodothyronine; THYROXINE
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