| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| chemical structure of codeine | 1.28 | 0.5 | 7093 | 100 | 29 |
| chemical | 1.35 | 0.4 | 1369 | 24 | 8 |
| structure | 1.43 | 0.1 | 8035 | 85 | 9 |
| of | 0.34 | 1 | 4161 | 55 | 2 |
| codeine | 0.05 | 0.1 | 5530 | 60 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| chemical structure of codeine | 0.64 | 0.8 | 9583 | 89 |
