Table 2.

NMR spectral data of 1-5 (150 MHz, CDCl₃).

Position	1	2	3	4	5
	δC, Type	δC, Type	δC, Type	δC, Type	δC, Type
1	161.4, qC	161.7 qC	161.4, qC	161.7, qC	163.4, qC
2	79.2, CH	79.3, CH	79.3, CH	79.1, CH	79.3, CH
3	122.9, CH	121.7, CH	121.4, CH	122.7, CH	120.2, CH
4	142.0, qC	143.8, qC	144.4, qC	142.7, qC	144.0, qC
5	35.6, CH2	35.5, CH2	35.5, CH2	36.1, CH2	31.5, CH2
6	25.3, CH2	26.4, CH2	27.8, CH2	26.7, CH2	34.2, CH2
7	74.4, CH	71.2, CH	71.7, CH	63.2, CH	213.7, qC
8	74.3, qC	74.5, qC	74.9, qC	74.9, qC	78.2, qC
9	42.9, CH2	42.9, CH2	44.6, CH2	42.8, CH2	35.8, CH2
10	124.5, CH	124.8, CH	125.3, CH	122.7, CH	25.7, CH2
11	140.0, CH	139.0, CH	136.2, CH	140.4, CH	123.9, CH
12	74.4, qC	73.1, qC	82.3, qC	73.1, qC	135.1, qC
13	39.7, CH2	39.6, CH2	36.8, CH2	40.7, CH2	39.4, CH2
14	23.0, CH2	23.7, CH2	22.3, CH2	23.8, CH2	28.7, CH2
15	122.9, qC	121.7, qC	123.4, qC	122.7, qC	124.0, qC
16	175.4, qC	175.2, qC	175.2, qC	175.4, qC	175.1, qC
17	9.1, CH3	9.3, CH3	9.3, CH3	9.3, CH3	8.8, CH3
18	16.4, CH3	16.3, CH3	16.1, CH3	15.5, CH3	17.8, CH3
19	24.7, CH3	23.7, CH3	25.7, CH3	23.3, CH3	28.7, CH3
20	25.7, CH3	27.8, CH3	23.6, CH3	28.9, CH3	15.4, CH3
1′	170.3, qC		189.9, qC
2′	21.1, CH3		22.4, CH3