The molecule is a pentacyclic triterpenoid that is oleanane containing a double bond between positions 12 and 13 and substituted by hydroxy groups at the 3beta, 16alpha and 28-positions. It derives from a hydride of an oleanane.
(3S,4aR,6aR,6bS,8R,8aS,12aS,14aR,14bR)-8a-(hydroxymethyl)-4,4,6a,6b,11,11,14b-heptamethyl-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicene-3,8-diol