(3'R,4'R)-3',4'-Di-O-(S)-(-)-camphanoyl-3-acetoxymethyl-(+)-cis-khellactone AIDS-108626 AIDS108626 [(9R,10R)-9,10-Bis(4,7,7-trimethyl-2-oxa-3-oxobicyclo[2.2.1]heptylcarbonyloxy)-8,8-dimethyl-2-oxopyrano[6,5-f]chroman-3-yl]methyl acetate