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, 21beta, 22beta and 24-positions. It derives from a hydride of an oleanane.
(3R,4S,4aR,6aR,6aS,6bR,8aR,9S,10S,12aR,14bS)-9-(hydroxymethyl)-2,2,4a,6a,6b,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-3,4,10-triol