Term Name:	megathyrin A
Synonyms:	(1alpha,5beta,7beta,8alpha,9beta,10alpha,13alpha,14R)-1,7,14-trihydroxy-7,20-epoxykaur-16-en-15-one, 1alpha,7beta,14beta-trihydroxy-ent-7alpha,20-epoxy-kaur-16-en-15-one
Definition:	A cyclic terpene ketone that is ent-7alpha,20-epoxy-kaur-16-en-15-one substituted with hydroxy groups at positions 1, 7 and 14 (the 1alpha,7beta,14beta stereoisomer). Isolated from the leaves of Isodon megathyrsus, it exhibits cytotoxic activity.
Ontology:	ChEBI [CHEBI:66689]  ( EBI )