Quinestradol (INN, BAN) (brand names Colpovis, Colpovister, Pentovis), also known as quinestradiol or quinestriol, as well as estriol 3-cyclopentyl ether (E3CPE), is a synthetic estrogen and estrogen ether which is no longer marketed.
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.