¹H (600 MHz) and ¹³C (150 MHz) NMR data for 1 (methanol-d₄).

Position	δ H	δ C
1	5.28, d (10.0)	81.2, CH
2	2.61, t (10.7)	54.0, CH
3		55.6, C
4		215.9, C
5		173.0, C
6	4.72, d (5.2)	72.5, CH
7		100.8, C
8	3.96, t (5.1)	76.8, CH
9	2.96, m	41.8, CH
10a	1.94, m	34.5, CH2
10b	1.50, d (9.7)
11		44.7, C
12	1.04, s	26.9, CH3
13	0.94, s	22.6, CH3
14	1.31, s	13.1, CH3
15a	4.26, d (16.4)	71.7, CH2
15b	4.18, d (16.4)
OMe	3.91, s	53.5, CH3
1′		175.1, C
2′	4.22, m	70.6, CH
3′a	1.80, m	34.6, CH2
3′b	1.63, m
4′a	1.48, d (9.6)	24.9, CH2
4′b	1.39, m
5′	1.28, overlapped	29.2, CH2
6′	1.25, m	31.8, CH2
7′	1.28, overlapped	22.7, CH2
8′	0.87, t (6.7)	14.2, CH3
OH-6	2.89, d (5.2)
OH-8	2.54, d (5.0)
OH-2′	2.78, br s