A compound containing a benzene ring in which two of the carbon atoms have been replaced by nitrogen atoms,especially any of three isomers having the composition C4H4N2.

 
  • 二嗪,一種含有一個(gè)苯環(huán),其中兩個(gè)碳原子被氮原子取代,尤其是有這種組成的C4H4N2的三種同分異構體的任一個(gè)。
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