4H-3a,7-Methanobenzo[3,4]-1,3-dioxolo[5,6]cyclodeca[1,2-d][1,3]dioxol-5(12H)-one, 7a,10a,10b,11,13,14,14a,14b-octahydro-13-hydroxy-2,2,6,9,9,10b,15,15-octamethyl-14-methylene- AIDS-141935 AIDS141935 NSC658393