1 BFN 5-acetamido-9-(benzoylamino)-3,5,9-trideoxy-3-fluoro-D-erythro-alpha-L-manno-non-2-ulopyranosonic acid 1.000 2 BND Methyl 5-acetamido-3,5,9-trideoxy-9-[(phenylcarbonyl)amino]-D-glycero-alpha-D-galacto-non-2-ulopyranosidonic acid 0.875 3 SUW Me-a-9-N-(naphthyl-2-carbonyl)-amino-9-deoxy-neu5ac 0.778 4 5KQ (6r)-5-acetamido-6-[(1s,2s)-3-acetamido-1,2-dihydroxypropyl]-3,5-dideoxy-beta-L-threo-hex-2-ulopyranosonic acid 0.742 5 BDU Me-a-9-N-(biphenyl-4-carbonyl)-amino-9-deoxy-neu5ac 0.737