7a,7a'(2H,2'H)-Bicycloprop[2,3]indeno[5,6-b]furan]-2,2'-dione, 4,4',4a,4a',5,5',5a,5a',6,6',6a,6a',6b,6b',7,7'-hexadecahydro-4,4'-dihydroxy-3,3',6b,6b'-tetramethyl-5,5'-dimethylene-, (4R,4'R,5aS,5a'S,6aR,6a'R,6bS,6b'S,7aR,7a'S)- AIDS-154318 AIDS154318 Lindenanolide F