| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| polyamine structure | 1.18 | 0.8 | 760 | 41 | 19 |
| polyamine | 0.87 | 0.5 | 7269 | 40 | 9 |
| structure | 0.22 | 1 | 4582 | 10 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| polyamine structure | 0.95 | 0.3 | 211 | 37 |
| polyamine polymer structure | 1.08 | 0.4 | 8742 | 47 |
| polyamine chemical structure | 1.81 | 0.2 | 7031 | 32 |
