| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | pyridine | chemistry research community | Commonly used as a solvent and reagent in organic synthesis | 1 |
| 2 | pyridine | chemistry research community | Commonly used as a solvent or reagent in organic synthesis | 1 |
| 3 | pyridine | chemistry research culture | Commonly used as a solvent and reagent in organic synthesis | 1 |