Table 2.

¹³C NMR Spectroscopic Data (Recorded in 150 MHz, in CDCl₃) for compounds 1, 2, and 3

Position	1	2	3
1	175.3, C	176.1, C	175.3, C
3	55.8, CH	56.0, CH	55.8, CH
4	53.8, CH	53.5, CH	54.5, CH
5	35.3, CH	35.2, CH	35.4, CH
6	138.1, C	138.5, C	137.8, C
7	127.7, CH	127.2, CH	128.1, CH
8	43.0, CH	42.1, CH	43.3, CH
9	57.4, C	55.6, C	57.0, C
10	45.9, CH2	45.8, CH2	46.1, CH2
11	14.2, CH3	14.7, CH3	14.1, CH3
12	19.9, CH3	20.1, CH3	20.0, CH3
13	132.1, CH	135.3, CH	130.1, CH
14	132.4, CH	129.0, CH	134.0, CH
15	37.6, CH2	42.7, CH2	40.8, CH2
16	44.0, CH	81.9, C	32.8, CH
17	211.8, C	216.3, C	78.5, CH
18	50.2, CH	46.3, CH	43.0, CH
19	124.5, CH	127.2, CH	131.2, CH
20	132.6, CH	131.4, CH	129.6, CH
21	77.2, CH	76.7, CH	77.5, CH
22	19.1, CH3	25.5, CH3	17.1, CH3
23	16.3, CH3	18.7, CH3	12.3, CH3
24	170.0, C	170.0, C	170.2, C
25	20.9, CH3	20.1, CH3	21.0, CH3
1′	137.6, C	137.5, C	137.9, C
2′/6′	129.2, CH	129.0, CH	129.1, CH
3′/5′	129.0, CH	129.0, CH	129.1, CH
4′	127.2, CH	127.4, CH	127.2, CH