Term Name:	tetraneurin E
Synonyms:	(3aS,6R,6aR,9S,9aS,9bR)-6a-hydroxy-6-(hydroxymethyl)-9a-methyl-3-methylidene-2-oxododecahydroazuleno[4,5-b]furan-9-yl acetate, Ambrosanolide
Definition:	A sesquiterpene lactone that is a (3aS,9bS)-3-methylidenedecahydroazuleno[4,5-b]furan-2(3H)-one heterotricyclic ring system with a hydroxymethyl, hydroxy, acetate, and methyl group substituents at positions 6, 6a, 9, and 9a respectively.
Ontology:	ChEBI [CHEBI:9499]  ( EBI )