Assertion: pyridine | /r/HasProperty | aromatic compound
Facets:
Source sentences:
text: Is pyridine an aromatic compound?
text: Pyridine is an aromatic heterocycle consisting of hydrogen, carbon, and nitrogen atoms.
text: The pyridine of formula C5H5N is an aromatic heterocyclic compound containing a nitrogen atom; its main derivatives are 2-methylpyridine (or a-picoline), 3-methylpyridine (or (3-picoline) and 4-methylpyridine (or y-picoline), which have been known since the mid-19th century.