TABLE 2.

¹³C NMR data of compounds 1–6 in CDCl₃ at 150 MHz.

No.	1	2	3	4	5	6
1	138.5, C	138.8, C	138.4, C	138.0, C	45.0, CH	140.8, C
2	125.0, C	125.6, C	125.8, C	125.2, C	162.9, C	132.6, C
3	43.56, CH	44.5, CH	44.6, CH	43.6, CH	128.8, C	44.7, CH
4	26.5, CH2	22.7, CH2	22.6, CH2	26.5, CH2	20.1, CH2	22.2, CH2
5	33.1, CH2	36.9, CH2	36.9, CH2	33.2, CH2	33.5, CH2	36.9, CH2
6	32.7, CH	31.5, CH	31.5, CH	32.6, CH	32.7, CH	30.7, CH
7	43.59, CH	48.4, CH	47.7, CH	43.2, CH	41.5, CH	47.5, CH
8	40.8, CH2	40.1, CH2	39.7, CH2	40.6, CH2	42.3, CH2	41.1, CH2
9	42.6, C	43.8, C	43.9, C	42.8, C	39.0, C	42.6, C
10	41.2, CH2	41.5, CH2	41.6, CH2	41.1, CH2	83.6, CH	80.1, CH
11	69.20, CH2	69.6, CH2	69.6, CH2	69.2, CH2	71.1, CH2	68.9, CH2
12	177.8, C	179.3, C	179.3, C	177.8, C	175.3, C	178.6, C
13	17.5, CH3	12.0, CH3	12.1, CH3	17.7, CH3	12.1, CH3	12.9, CH3
14	24.3, CH3	23.6, CH3	22.7, CH3	23.2, CH3	23.9, CH3	22.1, CH3
15	69.18, CH2	68.9, CH2	71.2, CH2	71.5, CH2	29.1, CH3	25.7, CH3