The molecule is an amino sugar phosphate that is alpha-D-glucosamine linked glycosidically to a (3-aminopropoxy)(hydroxy)phosphoryl group. It is a conjugate acid of a 3-aminopropyl N-acetyl-alpha-D-glucosamine-1-phosphate(1-).
[(2R,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl] 3-aminopropyl hydrogen phosphate