Table 2. 1H (500 MHz) and ¹³C NMR (125 MHz) chemical shifts (in ppm) for compounds 1–3 in CD₃OD.

Compound	Lobophorenol A (1)		Lobophorenol B (2)		Lobophorenol C (3)
	δC	δH, mult. (J in Hz)	δC	δH, mult. (J in Hz)	δC	δH, mult. (J in Hz)
1a	118.4	5.34, dt (17.0, 1.0)	116.7	5.31, dt (17.0, 1.0)	10.8	0.97, t (7.5)
1b		5.21, dt (10.0, 1.0)		5.18, dt (10.0, 1.0)
2	137.3	6.02, ddd (17.0, 10.0, 8.5)	139.4	5.92, m	26.8	1.57, m
						1.47, m
3	67.8	4.38, ddt (8.5, 4.5, 1.0)	76.6	3.94, m	76.2	3.32, m
4	75.2	3.70, ddd (9.5, 5.5, 4.5)	75.5	3.48, m	74.9	3.45, m
5a	32.8	2.49, br dt (14.5, 5.5)	31.8	2.36, m	32.2	2.36, dt (14.5, 7.0)
5b		2.25, ddd (14.5, 8.0, 5.5)		2.14, m		2.24, dt (14.5, 7.0)
6	126.4	5.48, m	127.3	5.51, m	127.6	5.52, m
7	131.4	5.49, m	130.8	5.45, m	130.6	5.45, m
8	26.8	2.87, t (6.0)	26.7	2.85, m	26.8	2.87, t (6.0)
9	128.7	5.37, m	128.7	5.37, m	128.7	5.37, m
10	129.4	5.37, m	129.4	5.37, m	129.4	5.37, m
11	26.6	2.86, t (6.0)	26.6	2.86, m	26.6	2.86, t (6.0)
12	129	5.37, m	129	5.37, m	129	5.37, m
13	129.1	5.37, m	129.1	5.37, m	129.1	5.37, m
14	26.6	2.82, t (6.0)	26.6	2.82, m	26.6	2.82, t (6.0)
15	129.3	5.37, m	129.3	5.37, m	129.3	5.37, m
16	130.8	5.38, m	130.8	5.38, m	130.8	5.38, m
17	27.6	2.10, br q (7.0)	27.6	2.07, m	27.6	2.08, m
18	30.1	1.46, quint (7.0)	30.1	1.46, quint (7.0)	30.1	1.46, quint (7.0)
19	34.4	2.07, br q (7.0)	34.4	2.06, br q (7.0)	34.4	2.07, m
20	139.8	5.82, ddt (17.0, 10.0, 7.0)	139.8	5.82, ddt (17.0, 10.0, 7.0)	139.8	5.82, ddt (17.0, 10.0, 7.0)
21a	115.1	5.00, dq (17.0, 2.0)	115.1	5.00, dq (17.0, 2.0)	115.1	5.00, dq (17.0, 2.0)
21b		4.94, dt (10.0, 1.0)		4.94, dt (10.0, 1.0)		4.94, dt (10.0, 1.0)