Table 2.

¹³C NMR data for 1–7 (125 MHz, in CDCl₃, δ in ppm).

Position	δC, Type
	1	2	3	4	5	6	7
1	14.4, CH3	14.5, CH3	14.7, CH3	14.6, CH3	14.0, CH3	13.8, CH3	14.7, CH3
2	44.9, CH	44.7, CH	44.4, CH	44.5, CH	45.4, CH	45.3, CH	44.4, CH
3	81.4, C	81.5, C	81.5, C	81.4, C	81.3, C	81.4, C	81.4, C
4	40.4, CH2	40.4, CH2	40.5, CH2	40.5, CH2	40.5, CH2	40.4, CH2	40.5, CH2
5	24.8, CH2	24.5, CH2	24.4, CH2	24.6, CH2	25.1, CH2	25.4, CH2	24.5, CH2
6	55.1, CH	54.5, CH	54.3, CH	54.9, CH	54.2, CH	54.1, CH	54.6, CH
7	76.0, C	75.1, C	75.0, C	74.8, C	85.7, C	86.0, C	74.8, C
8	31.5, CH2	37.0, CH2	41.1, CH2	36.8, CH2	35.7, CH2	34.8, CH2	40.5, CH2
9	32.8, CH2	25.8, CH2	18.7, CH2	27.2, CH2	28.1, CH2	27.4, CH2	22.5, CH2
10	215.1, C	79.0, CH	44.5, CH2	63.6, CH2	80.3, CH	84.2, CH	131.1, CH
11	79.4, C	73.4, C	71.2, C		38.2, CH	37.4, CH	130.0, C
12	27.8, CH3	23.5, CH3	29.4, CH3		11.8, CH3	12.0, CH3	21.6, CH3
13	26.3, CH3	26.2, CH3	26.2, CH3	26.2, CH3	26.2, CH3	26.2, CH3	26.2, CH3
14	23.5, CH3	25.0, CH3	25.2, CH3	25.2, CH3	23.1, CH3	26.4, CH3	25.0, CH3
15	28.0, CH3	26.7, CH3	29.5, CH3		66.9, CH2	66.7, CH2	63.3, CH2
CH3CO							171.3, C
CH3CO							21.1, CH3