Compound 2e

5-(6-(D-biotinamido)hexanamido)pentyl (5-acetamido-4-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-non-2-ulopyranosylonic acid)-(2→6)-β-D-galactopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranoside

From: Synthetic O-acetylated sialosides facilitate functional receptor identification for human respiratory viruses