SMILES: C1C2=C(C=CC(=C2O)O)C3=C(O1)C(=O)C4=C(C=C(C=C4O3)O)O
Description: The molecule is a homoflavonoid that is isochromeno[4,3-b]chromen-7(5H)-one substituted by hydroxy groups at positions 3, 4, 8 and 10. Isolated from Ophioglossum petiolatum, it exhibits anti-HBV activity. It has a role as an anti-HBV agent and a plant metabolite. It is a polyphenol, a hydroxy homoflavonoid and an organic heterotetracyclic compound.