| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| solvent impurity in nmr | 1.66 | 0.2 | 626 | 9 | 23 |
| solvent | 0.67 | 0.7 | 8650 | 81 | 7 |
| impurity | 1.7 | 0.7 | 4903 | 20 | 8 |
| in | 1.55 | 1 | 5633 | 58 | 2 |
| nmr | 0.32 | 0.6 | 7102 | 37 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| solvent impurity in nmr | 1.44 | 0.8 | 571 | 28 |
