Table 2.

¹³C NMR data of 1–6 (DMSO-d₆, δ ppm).

C	1	2	3	4	5	6
1	70.0	155.0	155.6	34.3	34.3	70.3
2	48.0	119.8	120.1	27.7	27.7	48.3
3	177.5	166.9	167.0	174.3	174.3	177.8
4	86.8	85.1	85.2	74.3	74.3	87.0
5	48.3	55.5	55.7	51.1	51.2	48.2
6	18.6	22.7	23.0	22.5	22.3	19.4
7	32.7	32.6	32.6	32.7	32.7	33.6
8	47.0	41.3	42.1	42.2	41.3	41.5
9	44.0	47.4	47.2	42.5	42.8	43.1
10	42.6	44.2	44.0	41.1	41.1	42.7
11	37.5	39.4	39.7	39.0	38.6	38.2
12	18.1	18.8	18.5	18.5	18.6	20.2
13	17.6	15.7	15.6	20.3	20.4	17.9
14	23.0	26.3	26.5	28.0	27.9	23.3
15	40.7	32.2	32.3	33.9	34.0	41.1
1′	72.6	66.5	65.0	65.7	67.2	66.8
2′	144.1	147.6	148.8	149.4	148.1	148.4
3′	50.5	55.3	55.7	55.6	55.2	55.3
4′	208.0	213.4	215.2	215.9	214.0	213.0
5′	76.9	76.4	83.5	83.3	76.1	76.2
6′	206.0	90.8	90.3	90.3	90.9	90.7
7′	112.3	106.5	107.6	106.8	105.8	105.9
8′	22.0	16.3	15.9	16.0	16.4	16.5
9′	17.5	13.2	18.2	18.3	13.4	13.3
10′	169.8	172.6	172.6	172.8	172.8	172.8
MeO	52.2			51.6	51.6