| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| structural formula of butane | 0.09 | 1 | 2455 | 54 | 28 |
| structural | 1.57 | 0.6 | 2303 | 87 | 10 |
| formula | 0.35 | 1 | 8409 | 78 | 7 |
| of | 1.78 | 1 | 7789 | 45 | 2 |
| butane | 1.68 | 1 | 2678 | 76 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| structural formula of butane | 1.13 | 0.4 | 9366 | 11 |
