diazine

Definitions:

  • A compound containing a benzene ring in which two of the carbon atoms have been replaced by nitrogen atoms, especially any of three isomers having the composition C<sub>4</sub>H<sub>4</sub>N<sub>2</sub>.
  • Any six-membered <xref>aromatic</xref> <xref>heterocycle</xref> containing four <xref>carbon</xref> atoms, two <xref>nitrogen</xref> atoms and three <xref>double bonds</xref>
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