Table 2.

The ¹³C NMR date of COS–3 and N–3.

Sample		NMR Data (ppm)
		C=O	CH3	C1	C2	C3	C4	C5	C6
COS–3	GlcN″			100.4	58.5	74.4	72.3	79.1	62.9
	GlcN′			100.2	58.5	79.1	77.4	72.8	62.7
	GlcNβ			95.3	59.3	70.6	79.1	72.6	62.7
	GlcNα			91.6	56.9	70.6	79.1	72.6	62.7
N–3	GlcNAc″	174.8	22.6 22.5 22.3	101.8	56.0	73.9	70.1	76.3	61.0
	GlcNAc′			101.6	55.4	72.6	79.6	74.9	60.4
	GlcNAcβ			95.2	56.5	72.9	79.6	75.0	60.5
	GlcNAcα			90.8	54.1	69.6	80.1	70.4	60.4