17-ETHYNYL-TESTOSTERONE 17.alpha.-Ethynyltestosterone 17.alpha.-Pregn-4-en-20-yn-3-one, 17-hydroxy- 434-03-7 Aethisteron Androst-4-en-3-one, 17.alpha.-ethynyl-17-hydroxy- Anhydrohydroxyprogesterone Anhydroxyprogesterone Colutoid Ethinone Ethinyltestosterone Ethisterone Gestoral Lucorteum Oral Lutidon Oral Lutocylol NSC9565 Nalutoral Nugestoral Ora-Lutin Pranone Pregn-4-en-20-yn-3-one, 17-hydroxy-, (17.alpha.)- Pregneninolone Pregnin Primolut C Prodoxan Prodroxan Produxan Progestab Progestin P Progestolets Progestoral Prolutol Proluton C Prone Syngestrotabs Testosterone, 17-ethynyl- Trosinone