Table 3.

Assignment of chemical shifts of 1H and 13C of each sugar residue in GPS-1.

sugar residue		chemical shift(ppm)
			1	2	3	4	5/5a	6/5b	CH3- of OMe-
A	→4)-α-D-GalpA-(1→	H	4.96	3.62	3.87	4.29	4.64
		C	100.43	69.66	70.21	79.26	72.83	176.94
B	→4)-α-D-GalpA-6-OMe-(1→	H	4.80	3.62	3.85	4.44	5.02		3.67
		C	101.55	69.66	70.09	80.24	72.12	172.20	54.40
A1,5	→5)-α-L-Araf-(1→	H	4.95	4.00	3.82	3.95	3.67	3.76
		C	108.90	82.71	78.05	85.57	68.17
At	α-L-Araf-(1→	H	5.04	4.00	3.88	4.09	3.59	3.71
		C	108.47	82.71	78.32	83.93	62.68
Rα	→4)-α-D-GalpA	H	5.18	3.70	3.86	4.26	–
		C	93.69	69.38	70.09	78.87	–	176.49
Rβ	→4)-β-D-GalpA	H	4.47	3.36	3.60	4.23	3.93
		C	97.65	72.83	71.73	78.99	75.69	176.49