The molecule is a nucleotide-sugar oxoanion obtained by deprotonation of the diphosphate OH groups and protonation of the 4-amino group of GDP-4-amino-4,6-dideoxy-alpha-D-mannose. It is a conjugate base of a GDP-4-amino-4,6-dideoxy-alpha-D-mannose.
[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] [(2R,3S,4S,5S,6R)-5-azaniumyl-3,4-dihydroxy-6-methyloxan-2-yl] phosphate