| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nmr solvent impurity paper | 0.54 | 0.1 | 2814 | 25 | 26 |
| nmr | 0.99 | 0.2 | 8777 | 12 | 3 |
| solvent | 0.46 | 0.3 | 566 | 58 | 7 |
| impurity | 1.53 | 0.1 | 4577 | 86 | 8 |
| paper | 1.79 | 0.8 | 5331 | 89 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nmr solvent impurity paper | 1.99 | 0.2 | 634 | 100 |
