| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| bn protecting group | 1.83 | 0.8 | 1394 | 9 | 19 |
| bn | 1.2 | 0.5 | 63 | 9 | 2 |
| protecting | 1.62 | 0.2 | 11 | 46 | 10 |
| group | 0.83 | 0.7 | 9697 | 91 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bn protecting group | 0.26 | 0.3 | 799 | 71 |
| bn protecting group removal | 1.49 | 0.7 | 3897 | 6 |
