STRUCTURAL FORMULAS OF HORMONES 



ll.oc-Oestp^diol ^^ oh 



15.0estriol 



l2./3-0estra.diol ^^ °" 



K.Oestrone ^^ ° 



CHj 



IS.Pregnanediol ^^ ^hoh 



HO 



16.Proge5terone _ co^h. 



t /.Testosterone ,^°" 



CH, 



l8.Thyroxine 



OH 



i\/^^^^i 



CH(NH,) 



I 



COOH 



297 



