SMILES: COC1=C(C=CC(=C1)[C@@H]2[C@H]([C@H](CO2)C(=O)C3=CC(=C(C=C3)O)OC)CO)O
Description: The molecule is a lignan which consists of tetrahydrofuran skeleton substituted by a hydroxymethyl group at position 4, a 4-hydroxy-3-methoxyphenyl group at position 5 and a 4-hydroxy-3-methoxybenzoyl group at position 3. It has been isolated from the roots of Rubia yunnanensis. It has a role as a plant metabolite. It is a lignan, a polyphenol, a primary alcohol, an aromatic ketone, a member of oxolanes and a member of guaiacols.