Table 1.

NMR ¹³C and ¹H chemical shifts and coupling constants (D₂O, 25 °C)

No.	Chemical shifts		Coupling constants
	13C	1H
	ppm		Hz
NF2152 sample from SBA
1	61.897 or 62.132	a:3.696; b:3.589	m
2	79.274	3.630	dd (6.5; 3.5)
3	71.208	3.758	m
4	70.730	3.798	m
5	62.807	a:3.596; b:3.708	m
1′	101.759	5.049	d (5.0)
2′	76.148	4.022	dd (5.0; 8.0)
3′	73.310	3.954	t (8.0; 8.0)
4′	81.027	3.732	dt (8.0; 3.0; 3.0)
5′	61.897 or 62.132	a:3.696; b:3.589	m
NF2523 sample from RAX
1	62.200	a: 3.706	m
		b: 3.649
2	77.946	3.714	m
3	71.815	3.846 ÷ 3.862	m
4	71.572	3.846 ÷ 3.862	m
5	62.830	3.588 ÷ 3.616	m
1′	98.739	5.051	d (4.0)
2′	68.430	3.732	m
3′	69.174	3.881	m
4′	69.106	3.744	m
5′	71.466	3.888	m
6′	60.971	3.602 ÷ 3.616	m