The molecule is a galactosylglycerol phosphate compond having an alpha-D-galactosyl residue attached to the 1-position of an sn-glycerol 3-phosphate It is a conjugate acid of a 1-alpha-D-galactosyl-sn-glycerol 3-phosphate(2-).
[(2R)-2-hydroxy-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropyl] dihydrogen phosphate