The molecule is a nucleotide-sugar oxoanion that is the conjugate base of UDP-4-amino-4-deoxy-beta-L-arabinopyranose, arising from deprotonation of the diphosphate group and protonation of the amino group. It is a conjugate base of an UDP-4-amino-4-deoxy-beta-L-arabinopyranose.
[(2R,3R,4S,5S)-5-azaniumyl-3,4-dihydroxyoxan-2-yl] [[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] phosphate