Table 1. Chemical Shifts of Selected Aminoglycoside Derivatives.

Structure	3	8	16	17	4	18	19	25	26	20	21	23
H-1	3.7	3.6	4.1	3.5	3.54	3.5	3.5	3.4	3.7	3.43	3.7	4.09
H-2 (eq./ax.)	2.45/1.65	2.44/1.65	2.3/1.40	2.1/1.52	2.41/1.62	2.36/1.63	2.35/1.58	2.39/1.60	2.39/1.5	2.39/1.63	2.3/1.63	2.35/1.56
H-3	3.5	3.5	3.5	4.0	3.4	3.4	3.3	3.5	3.51	3.53	3.5	3.57
H-4	3.67	3.69	3.6	3.7	3.4	3.4	3.44	3.7	3.66	3.7	3.65	3.71
H-5	5.16	5.13	5.21	5.11	3.65	3.6	3.58	3.87	3.91	3.9	3.93	3.98
H-6	4.94	4.94	4.81	4.95	4.93	4.86	4.94	4.97	4.78	4.96	4.79	4.91
H-1′	5.21	5.1	5.18	4.82	5.35	5.1	5.27	5.9	5.9	5.95	5.93	5.91
H-2′	3.36	4.0	3.3	3.40	3.68	3.9	3.03	3.25	3.22	3.16	3.16	3.17
H-3′	5.44	5.09	5.43	5.24	5.49	5.17	5.12	5.45	5.44	5.47	5.46	5.46
H-4′	5.03	5.04	5.02	4.99	5.05	5.02	4.96	5.01	4.99	4.99	4.96	4.97
H-5′	4.5	4.4	4.4	4.0	4.34	4.3	4.2	4.4	4.52	4.4	4.45	4.46
H-6′	3.3/3.4	3.3-3.4	3.1-3.4	3.4/3.11	3.43/3.32	3.2-3.3	3.38/3.28	3.3	3.2-3.3	3.3	n.d.	3.2-3.3
H-1″	-	-	-	-	-	-	-	5.42	5.43	5.35	5.37	5.37
H-2″	-	-	-	-	-	-	-	5.1	5.08	4.89	4.88	4.9
H-3″	-	-	-	-	-	-	-	5.19	5.2	4.4	n.d.	4.42
H-4″	-	-	-	-	-	-	-	4.26	4.2	4.32	n.d.	4.3
H-5″	-	-	-	-	-	-	-	4.44/4.16	4.38/4.15	4.26	4.1	4.28
H-1‴	-	-	-	-	-	-	-	-	-	4.87	4.87	4.87
H-2‴	-	-	-	-	-	-	-	-	-	3.3	n.d.	3.3
H-3‴	-	-	-	-	-	-	-	-	-	5.04	5.02	5.02
H-4‴	-	-	-	-	-	-	-	-	-	4.7	4.7	4.69
H-5‴	-	-	-	-	-	-	-	-	-	4.09	n.d.	4.1
H-6‴	-	-	-	-	-	-	-	-	-	3.59/3.28	n.d.	3.58/3.27

n.d.: not distinguishable due to the overlap of multiple signals