e/Polypyridine complex

Information
has gloss	eng: Polypyridine complexes are compounds in which a polypyridine, such as 2,2-bipyridine, 1,10-phenanthroline, or 2,2;6'2"-terpyridine, coordinates to a metal ion.
lexicalization	eng: Polypyridine complex
instance of	(noun) a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal pyridine