The molecule is an organophosphate oxoanion arising from deprotonation of the phosphate OH groups of 1-alpha-D-galactosyl-sn-glycerol 3-phosphate; major species at pH 7.3. It is a conjugate base of a 1-alpha-D-galactosyl-sn-glycerol 3-phosphate.
[(2R)-2-hydroxy-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropyl] phosphate