azine

azine (plural azines)

(organic chemistry) Any of a class of organic compounds, having the general formula R₂C=NN=CR₂, produced by the action of a carbonyl compound with hydrazine.
(organic chemistry) Any of a class of heterocyclic compounds containing a nitrogen atom as part of the ring structure, particularly those with six-membered aromatic rings (e.g., pyridine) or fused-ring systems.

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