Term Name:	norathyriol
Synonyms:	1,3,6,7-tetrahydroxy-9H-xanthen-9-one, 1,3,6,7-tetrahydroxyxanthone, Norathyriol
Definition:	A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, 6 and 7. Isolated from Garcinia mangostana and Maclura pomifera, it exhibits inhibitory activity against protein kinase C.
Ontology:	ChEBI [CHEBI:7622]  ( EBI )