AIDS-111667 AIDS111667 Butanoic acid, 2,2-dimethyl-, (1S,3S,4aS,7S,8S,8aS)-decahydro-3,7,8a-trimethyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester L-647,318