. 2012 Mar 13;10(3):627–638. doi: 10.3390/md10030627

Table 1.

¹³CNMR data of compounds 1–6(125 MHz).

Position	1 ^a	2 ^a	3 ^a	4 ^a	5 ^a	6 ^b
1	60.6, CH	84.0, C	191.8, C	197.6, C	46.2, CH	82.1, C
2	52.6, C	62.9, C	53.1, C	49.5, C	63.8, CH	61.6, C
3	154.0, C	48.5, CH	53.1, CH	52.4, CH	182.6, C	47.0, CH
4	197.3, C	210.5, C	218.5, C	214.3, C	128.4, CH	210.4, C
5	125.0, CH	126.9, CH	34.4, CH₂	36.4, CH₂	211.1, C	116.8, CH
6	186.9, C	187.5, C	54.3, CH	59.5, CH	61.8, C	192.3, C
7	43.6, CH₂	126.2, CH	67.4, CH	212.8, C	76.9, CH	116.0, CH
8	92.5, C	158.0, C	145.2, C	139.8, C	49.8, CH	173.9, C
9	55.9, CH₂	207.6, C	209.1, C	202.6, C	39.9, CH₂	75.8, CH
10	43.4, C	51.0, C	50.6, C	51.7, C	41.3, C	42.3, C
11	41.2, CH₂	41.7, CH₂	40.1, CH₂	41.0, CH₂	49.1, CH₂	44.5, CH₂
12	22.8, CH₃	22.9, CH₃	17.6, CH₃	17.5, CH₃	15.0, CH₃	23.9, CH₃
13	113.4, CH₂	9.5, CH₃	9.3, CH₃	9.4, CH₃	19.7, CH₃	9.4, CH₃
14	30.2, CH₃	27.7, CH₃	25.4, CH₃	25.2, CH₃	29.3, CH₃	29.6, CH₃
15	28.1, CH₃	26.2, CH₃	25.0, CH₃	25.0, CH₃	29. 2, CH₃	23.0, CH₃

^a Measured in CDCl₃, and CDCl₃ was used as an internal standard (δ_C 77.0); ^b Measured in DMSO-d₆, and DMSO-d₆ was used as an internal standard (δ_C 39.43).