| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| preparatory reaction starting materials | 0.43 | 0.9 | 7929 | 49 | 39 |
| preparatory | 0.9 | 0.7 | 7914 | 28 | 11 |
| reaction | 0.77 | 0.1 | 191 | 3 | 8 |
| starting | 1.41 | 0.5 | 6387 | 47 | 8 |
| materials | 1.55 | 0.4 | 4005 | 84 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| preparatory reaction starting materials | 1.86 | 0.3 | 5071 | 23 |
