Table 1. ¹³C NMR data for antiaritoxioside A-G (1–7) and antiarotoxinin B (8).

Carbon	1‡	2‡	3‡	4‡	5	6	7‡	8
1	36.3	26.9	25.3	26.9	26.7	22.0	23.6	25.8
2	22.4	28.7	27.4	28.6	27.9	26.4	26.8	28.6
3	72.9	73.9	73.8	73.8	73.2	72.3	74.1	67.8
4	32.1	35.6	34.8	35.6	35.1	30.0	36.1	36.1
5	72.9	74.7	73.1	74.2	74.3	30.4	73.4	74.5
6	43.3	35.8	35.1	35.9	36.5	33.2	40.8	37.8
7	28.4	24.3	24.5	24.8	24.7	26.0	21.3	24.4
8	42.3	40.7	41.3	40.4	40.4	48.2	41.2	39.0
9	41.0	40.2	39.4	37.5	37.7	42.0	37.3	40.0
10	55.7	74.4	74.4	74.7	74.4	34.0	39.2	41.3
11	23.5	21.6	22.8	30.8	30.7	22.1	26.1	22.0
12	39.9	40.0	40.4	74.7	74.7	39.7	31.4	40.3
13	50.2	50.1	50.3	56.7	56.9	50.1	51.9	47.8
14	84.8	84.6	85.0	85.0	85.1	83.8	86.7	83.8
15	33.4	33.0	33.0	33.4	33.4	32.2	33.7	33.1
16	27.2	27.5	27.2	27.9	29.2	22.1	34.3	19.0
17	51.5	51.3	51.3	46.4	46.2	51.4	87.8	51.5
18	16.3	16.3	16.3	10.3	10.3	16.4	13.1	15.5
19	176.7						17.0	17.4
20	176.1	176.3	176.4	176.7	176.8	176.0	174.0	71.1
21	73.8	73.8	73.8	74.0	74.1	73.6	73.8	65.8
22	117.6	117.7	117.6	117.5	117.4	117.6	116.6
23	174.6	174.8	174.6	174.7	174.8	174.5	173.2
1′	99.8	100.8	99.3	100.7	99.4	99.8	99.8
2′	72.7	72.6	72.2	72.6	69.8	72.9	69.6
3′	72.8	73.0	73.1	72.9	73.6	72.9	73.8
4′	74.3	73.9	73.8	73.7	73.7	74.1	73.3
5′	69.9	70.7	70.8	70.7	70.0	70.0	70.0
6′	18.6	18.6	18.8	18.6	17.0	18.6	17.3

δ Value in pyridine-d₅ (100 MHz).

^‡δ Value in pyridine-d₅ (75 MHz).