The molecule is an extended flavonoid that is flavonol with an additional hydroxy group at position 3', two 2,2-dimethyldihydropyrano rings fused to ring A across positions 5, 6 and 7, 8 respectively and a prenyl group at position 4'. Isolated from the roots of Dorstenia psilurus, it exhibits alpha-glucosidase inhibitory activity. It has a role as a metabolite and an EC 3.2.1.20 (alpha-glucosidase) inhibitor. It is an extended flavonoid, a member of flavonols and an organic heterotetracyclic compound.
5-hydroxy-4-[3-hydroxy-4-(3-methylbut-2-enyl)phenyl]-10,10,16,16-tetramethyl-3,9,15-trioxatetracyclo[12.4.0.02,7.08,13]octadeca-1,4,7,13-tetraen-6-one