... 吡嗪;1,4-二嗪;pyrazine;1,4-diazine 聚吡嗪;polypyrazine 氯吡嗪;2-氯吡嗪：Chloropyrazine;2-Chloropyrazine ...
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综述了有机磷杀虫剂二嗪磷的缩合工艺研究进展。
The research progresses of the condensation process of organophosphorus insecticide—diazinon, are reviewed.
文中还讨论了二嗪农的碰撞诱导解离（CID）碎片谱。
The in-souroe collision induced dissociation (CID) MS of diazinon is also discussed.
第二部分：1,5 -苯二嗪类化合物具有独特的药理及生理活性。
Part II: 1h-1, 5-benzodiazepine are interesting compounds because of their pharmacological properties and biological activity.
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