<unk>  (brand name Hovigal) is a semisynthetic, steroidal<unk> n. It is an<unk> n ester, specifically, an ester of<unk> .
Estrone acetate
Estradiol valerate
Estradiol dipropionate
Estradiol diundecylate
Estradiol dienantate
Estradiol acetate
Estradiol furoate
Estradiol undecylate