| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pyridine ring | 1.54 | 0.7 | 8950 | 18 | 13 |
| pyridine | 1.4 | 0.7 | 1972 | 93 | 8 |
| ring | 1.14 | 0.7 | 274 | 80 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pyridine ring | 1.36 | 0.6 | 8235 | 30 |
| pyridine ring structure | 1.37 | 1 | 630 | 29 |
| pyridine ring opening | 1.76 | 0.1 | 9674 | 97 |
| pyridine ring compound | 0.65 | 1 | 9670 | 30 |
| pyridine ring formation | 0.48 | 0.3 | 9509 | 14 |
| pyridine ring reduction | 0.44 | 0.3 | 1487 | 9 |
| unfused pyridine ring | 1.98 | 0.3 | 5199 | 50 |
| fused pyridine ring | 0.26 | 0.4 | 4273 | 58 |
