68-23-5 AIDS-030508 AIDS030508 Enidrel Estr-5(10)-en-3-one,17.alpha.-ethynyl-17-hydroxy- NSC15432 SC-4642;WLN: L E5 B666OV MUTJ E1 F1UU1 QQ;17.alpha.-Ethinyl-.delta.(sup)-5,10-19-nortestosterone component of Enovid;Infecundin;Norethinodrel;Norethinynodrel;Norethynodral;Norethynodrel