The molecule is a member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3 and 7, isoprenyl groups at positions 4 and 5 and a methoxy group at position 6. It is isolated from Cratoxylum Sumatranum and exhibits cytotoxicity towards the KB (human oral epidermoid) cancer cell line. It has a role as a metabolite and an antineoplastic agent. It is a polyphenol, a member of xanthones and an aromatic ether.
1,3,7-trihydroxy-6-methoxy-4,5-bis(3-methylbut-2-enyl)xanthen-9-one