1 4HY [4-(4-hydroxy-3-iodo-phenoxy)-3,5-diiodo-phenyl]-acetic acid 1.000 2 T4A 3,3',5,5'-tetraiodothyroacetic acid 0.955 3 UJF 4-[4-(2-azanylethyl)-2-iodanyl-phenoxy]phenol 0.773 4 T3 3,5,3'triiodothyronine 0.760 5 T2B 4-{4-[(2s)-2-amino-3-hydroxypropyl]-2,6-diiodophenoxy}phenol 0.750 6 T44 3,5,3',5'-tetraiodo-L-thyronine 0.731 7 T33 3,3'-deiodo-thyroxine 0.720 8 KFS [4-(4-cyano-3-methylphenoxy)phenyl]acetic acid 0.708