Table 3.
1H NMR signal ratio with the signal that appears at 1.25 ppm.
| Signals (ppm) | SAHA-20 | SAHA-40 | SAHA-60 |
|---|---|---|---|
| 0.85 | 0.19 | 0.16 | 0.16 |
| 1.25 | 1.00 | 1.00 | 1.00 |
| 1.65 | 0.14 | 0.8 | 0.12 |
| 2.00 | 0.20 | 0.10 | 0.14 |
| 3.80 | 0.03 | 0.02 | 0.04 |
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