| through a specific reaction | 4 | manner |
| usually | 2 | degree |
| chemical → be found in → drug | 31 |
| chemical → be used in → drug | 10 |
| chemical → be → drug | 5 |
| chemical → be used in → the drug | 4 |
| chemical → include → drug | 3 |
| negative | neutral | positive |
| 0.496 | 0.458 | 0.046 |
| Raw frequency | 53 |
| Normalized frequency | 0.478 |
| Modifier score | 0.700 |
| Perplexity | 58.735 |