The molecule is a triterpenoid that is (18alpha)-19,28-epoxyoleanane substituted by a hydroxy group at position 3. It is a triterpenoid, a cyclic ether and a secondary alcohol. It derives from a hydride of an oleanane.
(1R,4R,5R,8R,10S,13R,14R,17R,18R)-4,5,9,9,13,20,20-heptamethyl-24-oxahexacyclo[17.3.2.01,18.04,17.05,14.08,13]tetracosan-10-ol