| 1H NMR | N = CH | Ph-CH2(8) | N-ch2(9) | –och3(1) | –och3(17) | H(3–6,12–13–15) |
| Ni(Ⅱ)-2L1 | 8.90 (s, 1H) | 3.20 (t, 2H) | 4.09 (t, 2H) | 3.82 (s, 3H) | – | 5.80–7.50 (m, 8H) |
| Hl2 | 7.94 (s, 1H) | 3.73 (t, 2H) | 2.99 (t, 2H) | 3.79 (s, 3H) | 3.82 (s, 3H) | 7.27–6.80 (m, 7H) |
| Ni(Ⅱ)-2L2 | 10.2 (s, 1H) | 3.20 (t, 2H) | 4.60 (t, 2H) | 3.70 (s, 3H) | 3.90 (s, 3H) | 5.80–7.50 (m, 7H) |
| 13C nmr | N = C(10)H | n-ch2(9) | Ph-CH2(8) | –och3(1) | –och3(17) | C(2–7, 11–16) |
| Ni(Ⅱ)-2L1 | 163.90 | 58.24 | 43.40 | 55.10 | – | 110–160 |
| HL2 | 168.29 | 56.81 | 32.26 | 55.33 | 55.40 | 100–140 |
| Ni(Ⅱ)-2L2 | 164.09 | 58.78 | 35.05 | 55.16 | 55.44 | 100–140 |
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