AIDS-032107 AIDS032107 NSC299933 Octanoic acid, (3R,3aS,4S,6S,7R,9bR)-6-(acetyloxy)-2,3,3a,4,5,6,6a,7,8,9b-decahydro-3,3a-dihydroxy-3,6,9-trimethyl-8-[[(2E)-2-methyl-1-methylene-2-butenyl]oxy]-2-oxo-4-(1-oxobutoxy)azuleno[4,5-b]furan-7-yl ester