Acta Cryst. (2009). E65, o753 [ doi:10.1107/S1600536809008253 ]
Abstract: The title compound, C30H48O3, was extracted from the plant Dracocephalum rupestre Hance. The molecule contains five fused cyclohexane rings and one five-membered lactone ring. Intermolecular O-HO hydrogen bonds between the hydroxyl and carbonyl groups link the molecules into chains along [010]. The absolute structure has not been determined.
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