Estradiol palmitate
Estradiol palmitate ( brand name Esmopal ) , or estradiol monopalmitate , also known as estradiol 17β-hexadecanoate , is a naturally occurring steroidal estrogen and an estrogen ester – specifically , the C17β palmitate ester of estradiol . 
<triplet> estrogen ester <subj> estrogen <obj> instance of <subj> ester <obj> instance of <triplet> estradiol <subj> steroid <obj> instance of <subj> estrogen <obj> subclass of