| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| petroleum ether nmr cdcl3 | 1.39 | 0.9 | 1383 | 11 | 25 |
| petroleum | 0.84 | 0.7 | 3638 | 79 | 9 |
| ether | 0.34 | 0.4 | 9638 | 23 | 5 |
| nmr | 1.72 | 0.4 | 3922 | 63 | 3 |
| cdcl3 | 1.81 | 0.1 | 4893 | 32 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| petroleum ether nmr cdcl3 | 0.13 | 0.2 | 76 | 16 |
