The molecule is a nucleotide-sugar oxoanion resulting from the removal of both of the hydrogens from the diphosphate group of GDP-beta-L-fucose. It is a conjugate base of a GDP-beta-L-fucose.
[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] [(2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl] phosphate