(-)-Thyroxine 2-amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]-propanoic acid 3,3',5,5''-Tetraiodo-L-thyronine 3,3',5,5'-Tetraiodo-L-thyronine 3,5,3',5'-Tetraiodo-L-thyronine 3,5,3',5'-Tetraiodothyronine 3-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)alanine 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine 51-48-9 CCRIS 6739 HSDB 3108 L-3,5,3',5'-Tetraiodothyronine L-T4 L-Thyroxin L-Thyroxine L-tyrosine, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo- Laevothyroxinum (acid) Levothyroxine Levothyroxinum (acid) NSC 36397 O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine Synthroid T4 T4 (Hormone) THX Tetraiodothyronine Thryroxine, l- Thyratabs Thyrax Thyreoideum Thyroxin Thyroxinal Thyroxine Thyroxine (VAN) Thyroxine (l) Thyroxine iodine beta-((3,5-Diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl)alanine