The molecule is a galactosamine phosphate that is N-acetyl-D-galactosamine substituted at position 1 by a monophosphate group. It derives from a D-galactosamine. It is a conjugate acid of a N-acetyl-D-galactosamine 6-phosphate(2-).
[(2R,3R,4R,5R)-5-acetamido-3,4,6-trihydroxyoxan-2-yl]methyl dihydrogen phosphate