3,3',5,5'-Tetraiodo-L-thyronine{}3,5,3',5'-TETRAIODO-L-thyronine{}4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodo-L-phenylalanine{}L-T4{}Levothyroxin{}Levothyroxine{}LT4{}O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine{}T4{}L-Thyroxine{}O-(4-Hydroxy-3,5-diidophenyl)-3,5-diiodo-L-tyrosine{}3,5,3'5'-Tetraiodo-L-thyronine{}Forthyron{}(-)-Thyroxine{}3,3',5,5''-tetraiodo-L-Thyronine{}3,5,3',5'-Tetraiodothyronine{}D-Thyroxine{}DL-Thyroxin{}Henning{}L-3,5,3',5'-Tetraiodothyronine{}L-Thyroxin{}Laevothyroxinum{}Levothroid{}Levothyroxine sodium{}Levothyroxinum{}Levoxyl{}Prestwick_548{}Synthroid{}Tetraiodothyronine{}Tetramet{}THX{}Thyratabs{}Thyrax{}Thyreoideum{}Thyroxin{}Thyroxinal{}Thyroxine I 125{}Thyroxine iodine{}Allphar brand OF levothyroxine sodium{}Berlthyrox{}Delalande, levothyroxin{}Dexnon{}Eferox{}Eltroxin{}Kern brand OF levothyroxine sodium{}L-Thyrox{}L-Thyroxin henning{}L-Thyroxin beta{}L-Thyroxine roche{}Levothyroxin deladande{}Lévothyrox{}Merck lipha santé brand OF levothyroxine sodium{}Nourypharma brand OF levothyroxine sodium{}Oroxine{}Aventis brand OF levothyroxine sodium{}Euthyrox{}Eutirox{}Forest brand OF levothyroxine sodium{}Genpharm brand OF levothyroxine sodium{}GlaxoSmithKline brand OF levothyroxine sodium{}Goldshield brand OF levothyroxine sodium{}LThyroxin henning{}levo-T{}Sanofi synthelabo brand OF levothyroxine sodium{}Sigma brand OF levothyroxine sodium{}Synthrox{}Thevier{}Watson brand OF levothyroxine sodium{}Berlin chemie brand OF levothyroxine sodium{}Delalande brand OF levothyroxine sodium{}Eltroxine{}Hexal brand 2 OF levothyroxine sodium{}L Thyroxine roche{}Novothyral{}Tiroidine{}Vortex brand OF levothyroxine sodium{}Abbot brand OF levothyroxine sodium{}Berlin-chemie brand OF levothyroxine sodium{}Byk brand OF levothyroxine sodium{}Deladande, levothyroxin{}GlaxoWellcome brand OF levothyroxine sodium{}Henning berlin brand OF levothyroxine sodium{}Hexal brand 1 OF levothyroxine sodium{}L Thyrox{}L Thyroxin henning{}L Thyroxin beta{}L Thyroxine{}LThyroxin beta{}leo, Tiroxina{}levo T{}LevoT{}Levothyroid{}Levothyroxin delalande{}Levoxine{}Merck brand OF levothyroxine sodium{}Monarch brand OF levothyroxine sodium{}Mova brand OF levothyroxine sodium{}Novothyrox{}O-(4-Hydroxy-3,5-diiodophenyl) 3,5-diiodo-L-tyrosine{}O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine{}Roche brand OF levothyroxine sodium{}Rudefsa brand OF levothyroxine sodium{}Sodium levothyroxine{}T4 Thyroid hormone{}Thyroid hormone, T4{}Tiroxina leo{}Unithroid{}Betapharm brand OF levothyroxine sodium