Term Name:	cratoxyarborenone E
Synonyms:	1,3,7-trihydroxy-6-methoxy-4,5-bis(3-methylbut-2-en-1-yl)-9H-xanthen-9-one, 1,3,7-trihydroxy-6-methoxy-4,5-diisoprenylxanthone
Definition:	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.
Ontology:	ChEBI [CHEBI:65675]  ( EBI )