Table 1. ¹H NMR (500 MHz) and ¹³C NMR (125 MHz) spectral data of polycerasoidin in CDCl₃ (δ in ppm, J in Hz).

Position	1H-NMR (δ ppm)	13C-NMR (δ ppm)
1	2.71 m 2.58 m	22.6
2	1.74 m	31.4
3	-	76.7
4	1.62 m	39.6
5	2.14 m	22.1
6	5.14 t (6.9)	125.1
7	-	134.2
8	2.05 m	39.0
9	2.12 m	28.1
10	6.02 t (6.9)	146.1
11	-	127.2
12	2.12 s	20.4
13	-	172.3
14	1.62 s	16.2
15	1.25 s	24.0
16	1.89 s	16.2
1`	-	120.8
2`	-	120.8
3`	6.43 d (2.12)	114.7
4`	-	152.1
5`	6.55 d (2.12)	111.0
6`	-	126.0
OMe	3.72 s	55.6