The molecule is a nucleoside 3'-phosphate(2-) obtained by deprotonation of the phosphate OH groups of guanosine 3'-monophosphate (GMP); mjor species at pH 7.3. It is a conjugate base of a guanosine 3'-monophosphate.
[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] phosphate