Estradiol (medication)
Estradiol is also widely available in combination with progestogens. It is available in combination with norethisterone acetate under the major brand names Activelle, Cliane, Estalis, Eviana, Evorel Conti, Evorel Sequi, Kliogest, Novofem, Sequidot, and Trisequens; with drospirenone as Angeliq; with dydrogesterone as Femoston, Femoston Conti; and with nomegestrol acetate as Zoely. Estradiol valerate is available with cyproterone acetate as Climen; with dienogest as Climodien and Qlaira; with norgestrel as Cyclo-Progynova and Progyluton; with levonorgestrel as Klimonorm; with medroxyprogesterone acetate as Divina and Indivina; and with norethisterone enantate as Mesigyna and Mesygest. Estradiol cypionate is available with medroxyprogesterone acetate as Cyclo-Provera, Cyclofem, Feminena, Lunelle, and Novafem; estradiol enantate with algestone acetophenide as Deladroxate and Topasel; and estradiol benzoate is marketed with progesterone as Mestrolar and Nomestrol.
Estriol succinate
Estriol succinate, also known as estriol disuccinate or as estriol 16α,17β-di(hydrogen succinate), is a synthetic estrane steroid and a derivative of estriol. It is specifically the C16α and C17β disuccinate ester of estriol. The medication is provided both as estriol succinate and as estriol sodium succinate, the sodium salt. Other marketed estriol esters besides estriol succinate include estriol acetate benzoate and estriol tripropionate, whereas estriol dihexanoate, estriol dipropionate, and estriol triacetate are estriol esters that were never marketed. Quinestradol is an estriol ether and has also been marketed. Polyestriol phosphate is an ester of estriol in the form of a polymer, and was previously marketed.