The molecule is a D-galactosylglycerol that is glycerol in which one of the primary hydroxy groups has been converted into the corresponding beta-D-galactofuranosyl derivative. It derives from a beta-D-galactofuranose and a glycerol.
(2S,3R,4R,5R)-2-[(1R)-1,2-dihydroxyethyl]-5-(2,3-dihydroxypropoxy)oxolane-3,4-diol