The molecule is an organic heterotetracyclic compound that is 2,3-dihydro-5H-furo[3,2-b]xanthen-5-one substituted by hydroxy groups at positions 4, 7, 8 and 9, an isoprenyl group at position 6 and a prop-1-en-2-yl group at position 2. 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 an organic heterotetracyclic compound, a cyclic ketone, a polyphenol and a cyclic ether.
4,7,8,9-tetrahydroxy-6-(3-methylbut-2-enyl)-2-prop-1-en-2-yl-2,3-dihydrofuro[3,2-b]xanthen-5-one