Table 1.

Proton assignments and chemical shifts for NSs, MPH and NSs–MPH.

System	H1	H2	H3	H4	H5	H6	OH2	OH3	OH6
NSs	4.828	3.300	3.628	3.361	3.579	3.655	5.705	5.673	4.440
NSs–MPH	4.825	3.297	3.611	3.359	3.568	3.645	5.720	5.683	4.443
Δδ	0.003	0.003	0.017	0.002	0.011	0.010	−0.015	−0.010	−0.003
System	H′1	H′2	H′3	H′4	H′5	H′6
MPH	3.447	3.738	7.135	6.798	2.835	3.117
NSs–MPH	3.444	3.733	7.127	6.789	2.828	3.111
Δδ	0.003	0.005	0.008	0.009	0.007	0.006