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organic compounds
The crystal and molecular structures of the title triterpenoid have been determined. There are three molecules of this triterpenoid (C30H46O3), one molecule of acetone (C3H6O) and a molecule of water (H2O) in the asymmetric unit, i.e. formula C30H46O3.⅓C3H6O.⅓H2O. The molecules of the triterpenoid have different conformations of both the side chains and the γ-lactone rings.