| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| piperazine drug | 1.88 | 0.4 | 4051 | 39 | 15 |
| piperazine | 1.62 | 0.3 | 6144 | 56 | 10 |
| drug | 1.94 | 0.6 | 8597 | 64 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| piperazine drug | 0.68 | 0.3 | 2868 | 62 |
| piperazine drug class | 0.56 | 0.3 | 7832 | 72 |
| piperazine derivative drugs | 0.63 | 0.7 | 2492 | 1 |
| piperazine designer drugs | 0.56 | 0.7 | 2835 | 17 |
