| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| chemical structure of heroin | 1.54 | 0.8 | 6629 | 52 | 28 |
| chemical | 1 | 0.4 | 7877 | 62 | 8 |
| structure | 0.44 | 0.7 | 6178 | 84 | 9 |
| of | 0.81 | 0.6 | 5057 | 48 | 2 |
| heroin | 1.81 | 0.5 | 5792 | 79 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| chemical structure of heroin | 1.83 | 0.1 | 5150 | 52 |
