Table 1.

¹H- and ¹³C-NMR data of compound 1 in DMSO-d₆^a.

No.	δC	δH ( J in Hz)	No.	δC	δH ( J in Hz)
1	162.5, C		9	60.1, CH2	3.40, m
2-NH		8.62, d (2.8)	10	118.1, CH	6.97, s
3	55.0, CH	3.94, m	11	34.5, CH3	2.73, s
4	167.9, C		1′	133.8, C
6	132.4, C		2′/6′	129.2, CH	7.42, d (7.5)
7	30.6, CH2	a 1.79, m	3′/5′	128.3, CH	7.30, t (7.5)
		b 1.71, m	4′	128.1, CH	7.34, t (7.5)
8	28.0, CH2	1.51, m	OH		4.48, br s

^a Measured at 500 MHz for ¹H and 125 MHz for ¹³C.