4a,6a-Dimethyl-1,2,3,4,4a,4b,5,6,6a,7,11,11a,11b,12-tetradecahydroisoxazolo[5,4-b]naphtho[2,1-f]quinolin-2-yl acetate AIDS-132927 AIDS132927 NSC627757 {17.Alpha.-Aza-D-homo-5-androseno[16,17-d]isoxazol-3.beta.-yl} acetate