<unk>  (), also known as alphasone or alfasone, as well as dihydroxyprogesterone, is a progestin which was never marketed. Another progestin,<unk>  acetophenide, in contrast, has been marketed as a hormonal contraceptive.
Algestone
Promegestone
Gestodene
Nomegestrol acetate
Dydrogesterone
Telapristone
Mestanolone
Hydroxyprogesterone acetate