Table 2.

The resonance assignments of ¹H and ¹³C based on the NMR analysis of the novel MAGE.

Position	1H NMR δ (ppm)			13C NMR δ (ppm)
	Isomer α	Isomer β	keto	Isomer α	Isomer β	keto
6	2.71	2.76	2.58	48.24	47.87	47.93
2-NH	7.70	7.64	7.77
7				168.51	168.64
8	1.8311	1.829	1.828	22.70
1′	2.85	2.94; 2.97	2.58	53.120	51.22	48.00
2′				100.54	102.30	205.74
3′	3.90	3.88		80.05	82.94
4′	3.82	3.80		76.57	77.81
5′	3.72	3.95		80.04	75.18
6′	3.67 3.403	3.63; 3.45		68.35	66.27
1″	4.67 (br)	3.68 J = 3.7 Hz	4.65 J = 4.12 Hz	99.11	99.17	98.89
5″	3.08			70.98	71.07	70.87
6″	3.446 3.516			60.52	60.46	60.33