(.+-.)-13-Ethyl-17-hydroxy-18,19-dinor-17.alpha.-pregn-4-en-3-one 18,19-Dinor-17.alpha.-pregn-4-en-3-one, 13-ethyl-17-hydroxy- 18,19-Dinorpregn-4-en-3-one, 13-ethyl-17-hydroxy-, (17.alpha.)- 797-58-0 AIDS-125925 AIDS125925 Genabol Gon-4-en-3-one, 13.beta.,17.alpha.-diethyl-17-hydroxy- NSC89791 Norbalethone Norbolethone Norbolethone CUSAN Wy 3475 Wy-3475