<unk>  (Maxibolin®, Orabolin®) is an anabolic steroid with some progesterone-like activity, and little androgenic activity. It is a nandrolone derivative  and lacks the 3-keto functional group.
Ethylestrenol
Lynestrenol
Allylestrenol
Norethandrolone
Proligeston
Oxandrolone
Norethisterone
Nandrolone