Examples from the Web for pyridine
When cinchonine is distilled with solid potassium hydrate, it yields pyrrol and bases of both the pyridine and quinoline series.
When heated with concentrated sulphuric acid, it is oxidized to pyridine.
These fire-produced substances are called, from their origin, the 'pyridine series.'Health, Happiness, and Longevity|Louis Philippe McCarty
This is not exactly the case with the higher groups of alkaloids—the derivatives of pyridine and quinoline.
This latter base has been shown to be a hydrogen addition product of pyridine, C5H5N.