1 491 2-acetamido-3-O-[(1r)-1-carboxyethyl]-2-deoxy-1-O-phosphono-alpha-D-glucopyranose 1.000 2 AMV Methyl 2-acetamido-3-O-[(1r)-1-carboxyethyl]-2-deoxy-beta-D-glucopyranoside 0.800 3 AMU N-acetyl-beta-muramic acid 0.760 4 MUB N-acetyl-alpha-muramic acid 0.760 5 GN1 2-acetamido-2-deoxy-1-O-phosphono-alpha-D-glucopyranose 0.720 6 NG1 2-acetamido-2-deoxy-1-O-phosphono-alpha-D-galactopyranose 0.720