The physiological actions of thyroid hormones are generated predominantly by T3, many which (close to eighty%) is derived from T4 by deiodination in peripheral tissues. Synthetic T4 is equivalent in chemical framework into the T4 created within the human thyroid gland. Levothyroxine sodium has the molecular formulation C15H10I4NNaO4 ∙ xH2O, https://eddiez579bfi6.wikikali.com/user