| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what are the precursor chemicals for fentanyl | 0.06 | 0.4 | 7217 | 31 |
| precursor chemicals fentanyl | 0.03 | 0.1 | 7259 | 18 |
| what are the chemicals in fentanyl | 0.97 | 0.2 | 7980 | 56 |
| where do precursors for fentanyl come from | 1.17 | 0.6 | 556 | 72 |
| what is the chemical compound for fentanyl | 0.02 | 0.6 | 6738 | 66 |
| where are fentanyl precursors made | 1.39 | 0.9 | 2847 | 37 |
| what substance is fentanyl derived from | 1.2 | 0.7 | 5157 | 89 |
| what is the chemistry of fentanyl | 0.29 | 0.3 | 8475 | 23 |
| how is fentanyl derived | 1.92 | 0.7 | 7370 | 96 |
| what drugs are in fentanyl | 0.71 | 0.3 | 6878 | 82 |
| what is fentanyl a derivative of | 1.13 | 0.3 | 5168 | 97 |
| what is fentanyl the drug made from | 1.21 | 0.2 | 1012 | 62 |
| what is made out of fentanyl | 0.68 | 0.2 | 6717 | 4 |
| what is fentanyl made | 0.04 | 0.7 | 7155 | 77 |
| what medication contains fentanyl | 0.86 | 0.7 | 8294 | 81 |
| what medicines have fentanyl in them | 1.16 | 0.4 | 4254 | 70 |
| what drugs has fentanyl been found in | 1.56 | 0.1 | 5406 | 3 |
| fentanyl who created it | 0.32 | 0.2 | 4025 | 99 |
| major metabolite of fentanyl | 0.54 | 0.8 | 3238 | 56 |
| fentanyl history of synthesis | 0.12 | 1 | 3742 | 57 |
