¹³C NMR data for compounds 1–6 (δ in ppm)^a.

No.	1	2	3	4	5	6
1	208.4, C	210.1, C	212.4, C	210.1, C	212.7, C	201.3, C
2	75.7, CH	41.2, CH2	42.5, CH2	41.9, CH2	42.6, CH2	40.5, CH2
3	30.8, CH2	21.5, CH2	22.7, CH2	22.6, CH2	22.6, CH2	19.6, CH2
4	29.7, CH2	31.6, CH2	30.7, CH2	32.2, CH2	31.4, CH2	31.7, CH2
5	74.7, CH	74.5, CH	74.4, CH	79.9, CH	74.9, CH	76.9, CH
6	57.5, CH	59.5, CH	57.3, CH	62.1, CH	55.5, CH	141.8, C
7	66.9, CH	66.7, CH	67.6, CH	72.1, CH	64.3, CH	135.7, CH
8	73.2, CH	73.5, CH	69.7, CH	76.3, CH	36.1, CH2	68.7, CH
9	76.4, CH	76.4, CH	77.1, CH	80.8, CH	73.5, CH	79.7, CH
10	35.2, CH2	35.2, CH2	35.3, CH2	35.1, CH2	39.4, CH2	35.7, CH2
11	19.6, CH2	19.6, CH2	19.3, CH2	19.6, CH2	19.5, CH2	19.8, CH2
12	14.5, CH3	14.5, CH3	14.5, CH3	14.4, CH3	14.5, CH3	14.4, CH3

^aMeasured at 100 MHz in methanol-d₄.