1 GYG (1r)-4-acetamido-1,5-anhydro-3-carbamimidamido-2,3,4-trideoxy-1-sulfo-D-glycero-D-galacto-octitol 1.000 2 E3M (1r)-4-acetamido-3-amino-1,5-anhydro-2,3,4-trideoxy-1-sulfo-D-glycero-D-galacto-octitol 0.800 3 ZMR Zanamivir 0.741 4 ZGE 5-acetamido-2,6-anhydro-4-carbamimidamido-3,4,5-trideoxy-3-fluoro-D-glycero-D-galacto-non-2-enonic acid 0.714