Chloroethynyl norgestrel

Chloroethynyl norgestrel (developmental code name WY-4355) is a steroidal progestin of the 19-nortestosterone group related to norgestrel that was investigated as an oral contraceptive in the 1970s but was never marketed. Similarly to other 19-nortestosterone derivatives, chloroethynyl norgestrel has weak androgenic and anabolic activity.

Chloroethynyl norgestrel

Chloroethynyl norgestrel (developmental code name WY-4355) is a steroidal progestin of the 19-nortestosterone group related to norgestrel that was investigated as an oral contraceptive in the 1970s but was never marketed. Similarly to other 19-nortestosterone derivatives, chloroethynyl norgestrel has weak androgenic and anabolic activity.