(4aS,6aS,12aS,12bS)-10-Hydroxy-4,4,6a,12b-tetramethyl-9-oxo-1,3,4,4a,5,6,6a,9,12a,12b-decahydro-2H-benzo[a]xanthene-12-carbonitrile 15-Cyanopuupehenone AIDS-040244 AIDS040244