The molecule is a diterpenoid that is the 11alpha-hydroxy-derivative of ent-cassa-12,15-diene. It is a diterpenoid and a secondary alcohol. It derives from a hydride of an ent-cassa-12,15-diene.
(1S,4R,4aR,4bR,8aR,10aR)-2-ethenyl-1,4b,8,8-tetramethyl-1,4,4a,5,6,7,8a,9,10,10a-decahydrophenanthren-4-ol