1 PH5 Benzyl 3,5-dideoxy-5-(propanoylamino)-D-glycero-alpha-D-galacto-non-2-ulopyranosidonic acid 1.000 2 MNA 2-O-methyl-5-N-acetyl-alpha-D-neuraminic acid 0.759 3 MN0 Methyl 3,5-dideoxy-5-[(hydroxyacetyl)amino]-D-glycero-alpha-D-galacto-non-2-ulopyranosidonic acid 0.733 4 18D 3,5-dideoxy-5-(propanoylamino)-D-glycero-alpha-D-galacto-non-2-ulopyranosonic acid 0.700 5 AMN Methyl 5-acetamido-9-amino-3,5,9-trideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranosidonic acid 0.700