Synonyms: L-3,3,5-Triiodothyronine, Free Acid; liothyronine; Triiodothyronine; 99%; L-triiodothyronine; 3,3’,5-triiodothyronine; 3,5,3’-triiodothyronine; 3’,5-triiodo-l-thyronin; 4-(3-iodo-4-hydroxyphenoxy)-3,5-diiodophenylalanine; 5-diiodophenyl)-3-(4-(4-hydroxy-3-iodophenoxy)-l-alanin; cytomel; l-3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)alanine; l-liothyronine