The molecule is an organophosphate oxoanion that is a penta-anionic form of guanosine 3',5'-bis(diphosphate). It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a guanosine 3',5'-bis(diphosphate). It is a conjugate acid of a guanosine 3',5'-bis(diphosphate)(6-).
[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-4-hydroxy-2-[[[hydroxy(oxido)phosphoryl]oxy-oxidophosphoryl]oxymethyl]oxolan-3-yl]oxy-oxidophosphoryl] phosphate