Table 1.

1H-NMR (200 MHz) data of Cyc A (CDCL 3, 25 ºC).

Atom	δH	Multi.
N-CH3	3.472	s
1α	3.704	d
1β	3.687	m
1γ	3.662	d
1γ- CH3	0.841	d
1δ	1.168	m
1γ-OH	3.647	d
2-NH	7.264	d
2α	3.662	m
2β	1.163	t
N-CH3	3.378	s
3α	3.604	s
N-CH3	3.222	d
4α	3.444	t
4β	1.134	m
	2.982	m
4γ	1.168	m
4δ1	0.841	d
4δ2	1.098	d
5-NH	7.264	d
5α	3.70	d
5β	2.982	m
5γ1	1.098	d
5γ2	1.134	d
N-CH3	3.296	d
6α	3.704	t
6β	1.134	m
6γ	1.06	m
6δ1	0.841	d
6δ2	0.841	d
7-NH	7.264	d
7α	3.687	m
7β	1.168	d
8-NH	7.268	d
8α	3.70	m
8β	1.168	d
N-CH3	3.164	d
9α	3.704	t
9β	1.134	t
9γ	1.168	m
9δ1	0.841	d
9δ2	0.841	d
N-CH3	2.982	d
10α	3.70	t
10β	1.123	t
10γ	1.168	m
10δ1	0.841	d
10α2	0.841	d
N-CH3	2.982	d
11α	3.704	d
11β	1.168	m
11γ1	0.841	d
11γ2	0.841	d