The molecule is a phytocassane that is (+)-phytocassane A in which the hydroxy group at position 2 has been oxidised to the corresponding ketone, while the keto group at position 3 has been reduced to give the corresponding 3alpha hydroxy group. It is a phytocassane, a diketone and a secondary alpha-hydroxy ketone.
(2S,4aR,4bR,8S,8aR,10aS)-7-ethenyl-2-hydroxy-1,1,4a,8-tetramethyl-2,4,4b,8,8a,9,10,10a-octahydrophenanthrene-3,5-dione