The molecule is a 2-ammonio-2-deoxy-D-glucopyranose 6-phosphate in which the anomeric centre has alpha-configuration. It is a conjugate base of an alpha-D-glucosamine 6-phosphate.
[(2R,3S,4R,5R,6S)-5-azaniumyl-3,4,6-trihydroxyoxan-2-yl]methyl phosphate