Term Name:	(3R,4R)-3-[(1S)-1-hydroxyalkyl]-4-(hydroxymethyl)oxolan-2-one
Synonyms:	a (3R,4R)-3-[(1S)-1-hydroxyalkyl]-4-(hydroxymethyl)oxolan-2-one, a VB type gamma-butyrolactone, VB type gamma-butyrolactones, virginiae butanolide, virginiae butanolides
Definition:	A butan-4-olide in which the lactone skeleton is substituted at positions 3pro-R and 4pro-R by 1-hydroxyalkyl and hydroxymethyl groups, respectively, in which the secondary alcohol has moiety has S configuration. Originally isolated from Streptomyces virginiae, where they control virginiamycin production, they are also known as virginiae butanolides (VB compounds).
Ontology:	ChEBI [CHEBI:138440]  ( EBI )