(6-(1-(9a,11b-Dimethyl-1-oxo-1,4,5a,6,6a,6b,7,8,9,9a,10,11,11a,11b-tetradecahydrocyclopenta[1,2]phenanthro[8a,9-b]oxiren-9-yl)-2-(acetyloxy)ethyl)-4-methyl-2-oxo-5,6-dihydro-2H-pyran-3-yl)methyl aceta\tte AIDS-149168 AIDS149168 NSC682990