Term Name:	(3R,4R)-4-(hydroxymethyl)-3-(6-methylheptanoyl)oxolan-2-one
Synonyms:	(3R,4R)-4-(hydroxymethyl)-3-(6-methylheptanoyl)dihydrofuran-2(3H)-one, 3beta-(6-methylheptanoyl)-4alpha-(hydroxymethyl)-4,5-dihydrofuran-2(3H)-one, A-Factor
Definition:	A butan-4-olide that is gamma-butyrolactone with a 6-methylheptanoyl substituent at position 3 and a hydroxymethyl substituent at position 4 (the 3R,4R-stereoisomer).
Ontology:	ChEBI [CHEBI:73982]  ( EBI )