The molecule is an extended flavonoid that is the 3S*-diastereomer of nigrasin A. 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,17S)-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