Term Name:	(3R,4R)-3-acyl-4-(hydroxymethyl)oxolan-2-one
Synonyms:	a (3R,4R)-3-alkanoyl-4-(hydroxymethyl)oxolan-2-one, A-factor type gamma-butyrolactone
Definition:	A butan-4-olide carrying acyl and hydroxymethyl substituents at positions 3 and 4 respectively and having 3R,4R-configuration.
Ontology:	ChEBI [CHEBI:138441]  ( EBI )