| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| phenobarbital drug class schedule | 1.07 | 0.1 | 988 | 35 | 33 |
| phenobarbital | 1.5 | 1 | 2791 | 37 | 13 |
| drug | 0.79 | 0.8 | 2330 | 64 | 4 |
| class | 1.9 | 0.4 | 1703 | 85 | 5 |
| schedule | 1.7 | 0.4 | 7468 | 84 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| phenobarbital drug class schedule | 1.57 | 0.5 | 6496 | 5 |
| what schedule drug class is phenobarbital | 0.78 | 0.2 | 9236 | 96 |
| what schedule is phenobarbital | 0.25 | 0.2 | 9442 | 34 |
| is phenobarbital a schedule 2 drug | 1.78 | 1 | 8848 | 73 |
| phenobarbital controlled drug class | 1.4 | 1 | 5590 | 29 |
| phenobarbital controlled substance schedule | 0.95 | 0.6 | 2571 | 56 |
| drug class for phenobarbital | 0.65 | 0.3 | 4970 | 30 |
| phenobarbital controlled substance class | 1.23 | 0.4 | 4915 | 28 |
| what class is phenobarbital | 0.6 | 0.1 | 1233 | 21 |
| what class drug is phenobarbital | 0.84 | 0.8 | 9160 | 74 |
| what drug classification is phenobarbital | 0.28 | 0.1 | 1879 | 8 |
| what drug category is phenobarbital | 0.04 | 0.7 | 2006 | 7 |
| what schedule is pentobarbital | 0.73 | 0.6 | 3775 | 27 |
| phenobarbital a controlled substance | 1.81 | 0.6 | 3143 | 74 |
