Table 2.

¹³C NMR chemical shifts (δ ppm) for compounds C1-C8 (DMSO, 100 MHz).

C	C1	C2	C3	C4	C5	C6	C7	C8
2	161.0	147.8	164.2	79.1	78.6	78.8	158.4	79.2
3	106.7	136.4	103.8	42.7	42.0	41.9	135.5	42.2
4	182.0	176.5	181.9	196.4	197.2	196.2	179.3	197.9
5	144.0	157.1	161.1	164.2	163.2	163.7	162.4	163.4
6	137.9	98.6	99.9	96.0	96.7	96.1	99.8	96.7
7	151.4	164.7	162.9	166.0	165.5	165.3	166.1	165.3
8	148.3	94.1	94.8	95.0	95.4	95.2	94.6	95.5
9	147.6	161.7	156.9	163.6	162.7	162.2	159.3	163.1
10	114.7	103.8	105.9	102.3	103.5	102.7	105.5	103.7
1′	123.9	122.7	122.8	129.9	131.1	130.9	123.0	129.7
2′	108.5	116.2	113.1	128.2	114.3	113.8	117.5	129.0
3′	149.2	146.0	146.7	115.3	146.6	145.9	145.7	116.4
4′	151.9	148.6	151.3	157.9	148.1	148.3	149.6	158.6
5′	111.2	115.6	112.2	115.3	112.2	112.3	116.0	116.4
6′	119.6	121.0	118.9	128.2	118.1	118.4	123.4	129.0
1′′			99.6		99.6		101.5	100.8
2′′			73.0		72.2		74.8	76.6
3′′			76.2		76.5		77.1	77.5
4′′			70.7		70.9		72.3	70.0
5′′			75.6		75.7		76.6	77.5
6′′			66.0		66.2		67.5	60.8
1′′′			100.4		100.8		102.3	97.8
2′′′			70.2		69.7		70.7	70.9
3′′′			69.5		70.5		71.2	70.8
4′′′			72.0		72.0		72.8	72.2
5′′′			68.2		68.5		69.1	68.7
6′′′			17.7		18.1		18.3	18.5
OCH3-4′	55.9		56.6		55.8	55.6
OCH3-3′	56.0
OCH3-7	61.6
OCH3-6	61.7
OCH3-8	61.9
OCH3-5	62.2