Estradiol benzoate is an estradiol analog which binds to the human, murine and chicken ERα with IC50 of 22-28 nM.

Fluorometholone Acetate is a synthetic corticosteroid, used in the treatment of steroid responsive inflammatory conditions of the eye.

Ospemifene is a non-hormonal selective estrogen receptor modulator (SERM), used for the treatment of dyspareunia.  

17-Hydroxyprogesterone (17-OHP) is an endogenous progestogen as well as chemical intermediate in the biosynthesis of other steroid hormones, including the corticosteroids and the androgens and the estrogens.

Chlormadinone acetate is a steroidal progestin with additional antiandrogen and antigonadotropic effects, used often in combinations as an oral contraceptive. Its half-life is about 34-38 hours.

Chlorotrianisene is a synthetic, non-steroidal estrogen. It is a selective estrogen receptor modulator.

Desogestrel is a synthetic progestational hormone used often as the progestogenic component of combined oral contraceptive agents.

Etonogestrel is a synthetic form of the naturally occurring female sex hormone progesterone. It binds to the cytoplasmic progesterone receptors in the reproductive system and subsequently activates progesterone receptor mediated gene .