The molecule is an extended flavonoid that is 3,4,6a,11b-tetrahydro-2H,6H-[1]benzofuro[3,2-b]pyrano[3,2-g]chromene substituted by hydroxy groups at positions 3, 5, 6a and 9, geminal methyl groups at positions 2, an oxo group at position 6 and a prenyl group at position 11b. It has been isolated from the twigs of Morus nigra. It has a role as a plant metabolite. It is an extended flavonoid, an organic heteropentacyclic compound and a polyphenol.
(3R,11S,17R)-7,11,14,17-tetrahydroxy-18,18-dimethyl-3-(3-methylbut-2-enyl)-2,10,19-trioxapentacyclo[11.8.0.03,11.04,9.015,20]henicosa-1(13),4(9),5,7,14,20-hexaen-12-one