Term Name:	5alpha-epoxyalantolactone
Synonyms:	(1aR,2S,5aR,6aR,9aR,9bS)-2,5a-dimethyl-9-methylideneoctahydro-2H-oxireno[4,4a]naphtho[2,3-b]furan-8(9H)-one
Definition:	A sesquiterpene lactone that is the 5α-epoxy derivative of alantolactone. Isolated from the root extracts of Inula helenium, it exhibits antimycobacterial activity.
Ontology:	ChEBI [CHEBI:65856]  ( EBI )