The molecule is a galactonolactone that is 3,4-dihydroxydihydrofuran-2(3H)-one substituted by a 1,2-dihydroxyethyl group at position 5 (the 3S,4S,5R-isomer). It has a role as a plant metabolite. It derives from a L-galactonic acid.
(3S,4S,5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyoxolan-2-one