Term Name:	cratoxyarborenone B
Synonyms:	1,3,5,7-tetrahydroxy-2,8-bis(3-methylbut-2-en-1-yl)-9H-xanthen-9-one, 1,3,5,7-tetrahydroxy-2,8-diisoprenylxanthone
Definition:	A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, 5 and 7 and two isoprenyl groups at positions 2 and 8 respectively. It is isolated from Cratoxylum Sumatranum and exhibits cytotoxicity towards the KB (human oral epidermoid) cancer cell line.
Ontology:	ChEBI [CHEBI:65672]  ( EBI )