1-(3-Furyl)-4b,7,7,10a,12a-pentamethyl-3,8-dioxo-1,3,3a,4b,5,6,6a,7,8,10a,10b,11,12,12a-tetradecahydronaphtho[2,1-f]oxireno[2,3-d]isochromen-5-yl acetate AIDS-133558 AIDS133558 NSC629599