Table 1.

Averaged ¹H NMR shift values (δ, D₂O, 25 °C) of various protons in COS.

Residue	Proton
	H1	H2	H2–6	Acetyl-H
GlcNAc	4.55–4.65	-	2.6–4.2	1.92
GlcN	5.15	3.1–3.2	2.6–4.2	-