20-O-Acetylpuupehenone AIDS-048872 AIDS048872 Acetic acid (4aS,6aS,12aR,12bS)-4,4,6a,12b-tetramethyl-9-oxo-1,3,4,4a,5,6,6a,9,12a,12b-decahydro-2H-benzo[a]xanthen-10-yl ester Acetyl puupehenone