Similar names: Estradiol, 17-cyclopentanepropionate (6CI,7CI,8CI); Cyclopentanepropionic acid, 3-hydroxyestra-1,3,5(10)-trien-17β-yl ester (8CI); 17β-Estradiol 17-cyclopentylpropionate; Cyclopentanepropionic acid, 17-ester with estradiol; Depgynogen; Depo-Estradiol; Depo-estradiol cyclopentylpropionate; Depoestradiol; Depoestradiol cypionate; Depofemin; ECP; Estradep; Estradiol 17-cyclopentylpropionate; Estradiol 17-cypionate; Estradiol 17β-cyclopentanepropionate; Estradiol 17β-cyclopentylpropionate; Estradiol 17β-cypionate; Estradiol cyclopentylpropionate; Estradiol cypionate; Estradiolum valerianicum; NSC 3354; Estra-1,3,5(10)-triene-3,17-diol (17β)-, 17-cyclopentanepropanoate, 17-beta-Estradiol 17-cypionate