The molecule is a terpene lactone that is 13,28-epoxyolean-11-en-28-one substituted by an alpha-hydroxy group at position 3. It has been isolated from the leaves and twigs of Fatsia polycarpa. It has a role as a metabolite and a plant metabolite. It is a hexacyclic triterpenoid, a terpene lactone and a secondary alcohol. It derives from a hydride of an oleanane.
(1S,4S,5R,8R,10R,13S,14R,17S,18R)-10-hydroxy-4,5,9,9,13,20,20-heptamethyl-24-oxahexacyclo[15.5.2.01,18.04,17.05,14.08,13]tetracos-15-en-23-one