SMILES: C[C@@H]1CC[C@@H]2[C@@]([C@@]13CC[C@](O3)(C)C=C)(CCCC2(C)C)C
Description: The molecule is a tricyclic diterpenoid that is an intermediate in the biosynthesis of marrubiin by the medicinal plant Marrubium vulgare. It has a role as a plant metabolite. It is a labdane diterpenoid, a tricyclic diterpenoid and an oxaspiro compound.