Thyronamine
Thyronamine refers both to a molecule , and to derivatives of that molecule: a family of decarboxylated and deiodinated metabolites of the thyroid hormones thyroxine ( T4 ) and 3 , 5 , 3'-triiodothyronine ( T3 ) . 
<triplet> 3,5,3'-triiodothyronine <subj> thyroid hormone <obj> instance of <subj> thyroxine <obj> instance of