TABLE 3.

¹³C-NMR and ¹H-NMR data of compounds 1 and 2.

	δC		δH mult (J)
No.	1	2	1	2
1	161.92	162.00
2	124.74	124.75	6.22 (d, 9.6 Hz, 1 H)	6.25 (d, 9.7 Hz, 1 H)
3	141.26	140.52	7.16 (dd, 9.6, 5.9 Hz, 1 H)	7.04 (dd, 9.7, 5.8 Hz, 1 H)
4	60.87	67.03	5.42 (dd, 6.0, 2.5 Hz, 1 H)	5.45 (dd, 5.9, 2.7 Hz, 1 H)
5	79.27	80.43	4.45 (dd, 9.1, 2.5 Hz, 1 H)	4.58 (dd, 6.8, 2.7 Hz, 1 H)
6	74.32	61.59	4.18 (m, 1 H)	4.26 (q, 7.1 Hz, 1 H)
7	39.32	39.29	3.05 (dd, 16.9, 4.1 Hz, 1 H) 2.88 (dd, 16.9, 6.6 Hz, 1 H)	2.81 (dd, 16.1, 3.8 Hz, 1 H) 2.75 (dd, 16.2, 7.4 Hz, 1 H)
8	210.41	211.00
9	73.16	73.68	4.37 (q, 7.2 Hz, 1 H)	4.56–4.48 (m, 1 H)
10	19.35	19.18	1.43 (d, 7.12 Hz, 3 H)	1.38 (d,7.1 Hz, 3 H)
11	59.04		3.32 (s, 1 H)
1′	166.47	166.57
2′	127.54	127.36
3′	139.96	140.43	6.98–6.92 (m, 1 H)	6.96–6.81 (m, 1 H)
4′	12.09	12.06	1.86–1.79 (m, 6 H)	1.86–1.79 (m, 6 H)
5′	14.67	14.69

Bold values can make it easier for the reader to see the difference between the two compounds.