Table 1.

δ_H (700 MHz) and δ_C (175 MHz) NMR spectra data of M1 and M2 (CD₃OD, δ in ppm and J in Hz)

	M1		M2
	δC	δH multi (J)	δC	δH multi (J)
1′	133.9 s		133.87 s
2′	110.97 d	6.85 d (7.9)	110.90 d	6.82 d (8.0)
3′	146.41 s		146.39 s
4′	143.68 s		143.68 s
5′	114.24 d	6.74 d (1.8)	114.23 d	6.69
6′	120.89 d	6.71 d (7.9, 1.8)	120.83 d	6.64 d (7.9, 1.5)
1	31.80 t	2.64 m 2.73 m	33.12 t	2.61 m 2.72 m
2	40.06 t	1.78 m 1.81 m	39.39 t	1.84 m
3	72.41 d	3.89 m	69.57 d	3.96 m
4	42.94 t	1.64 m	42.37 t	1.65 m
5	73.40 d	3.84 m	68.95 d	3.91 m
6	38.35 t	1.45 m	37.48 t	1.46 m
7	25.03 t	1.30 m	25.42 t	1.30 m
8	31.44 t	1.30 m	31.78 t	1.30 m
9	22.64 t	1.30 m	22.59 t	1.30 m
10	14.07 q	0.91 t (7.2)	14.02 q	0.89 t (7.2)
1″	55.87 q	3.87 s	55.85 q	3.87 s