The molecule is a nucleotide-sugar oxoanion that is the conjugate base of UDP-alpha-D-galactosamine, arising from deprotonation of the diphosphate group and protonation of the amino group. It is a conjugate base of an UDP-alpha-D-galactosamine.
[(2R,3R,4R,5R,6R)-3-azaniumyl-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl] [[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] phosphate