Table 3.

¹³C (125 MHz) NMR data for compounds 1–3 in CDCl₃.

No.	1 (Type)		2 (Type)		3 (Type)
	a	b	a	b	a	b
1	147.6, C	185.9, C	146.9, C	187.6, C	147.7, C	187.5, C
2	127.0, C	148.8, C	126.7, C	148.7, C	125.6, C	148.6, C
3	117.6, CH	132.9, CH	116.7, CH	132.8, CH	116.3, CH	132.7, CH
4	147.7, C	187.7, C	147.6, C	188.1, C	147.3, C	188.1, C
5	122.1, C	145.6, C	122.2, C	145.6, C	122.7, C	145.7, C
6	118.0, CH	133.6, CH	118.0, CH	133.5, CH	118.3, CH	133.6, CH
7	29.8, CH2	27.2, CH2	27.9, CH2	27.1, CH2	27.6, CH2	26.5, CH2
8	39.8, CH2	37.7, CH2	39.7, CH2	37.6, CH2	34.0, CH2	31.5, CH2
9	138.2, C	137.3, C	139.2, C	137.3, C	38.7, CH	39.0, CH
10	116.9, CH	118.0, CH	116.3, CH	117.2, CH	177.9, C	176.5, C
11	33.6, CH2	33.4, CH2	33.5, CH2	33.5, CH2	52.0, CH3	51.7, CH3
12	173.7, C	171.9, C	173.2, C	172.5, C	15.5, CH3	15.5, CH3
13			51.9, CH3	51.8, CH3	17.3, CH3	17.1, CH3
14	15.5, CH3	15.7, CH3	15.4, CH3	15.5, CH3
15	16.7, CH3	16.3, CH3	16.5, CH3	16.2, CH3