Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis, derivatives and structural analogues thereof 'incl. chain modified polypeptides', used primarily as hormones
Hormoni, prostaglandini, tromboksani in leukotrieni, naravni ali sintetični, njihovi derivati in strukturno podobne snovi, vključno z verižno modificiranimi polipeptid