The molecule is an organophosphate oxoanion arising from deprotonation of two of the the three diphosphate OH groups of guanosine 5'-diphosphate. It is a conjugate base of a GDP. It is a conjugate acid of a GDP(3-).
[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] hydrogen phosphate