Pyrazine is a heterocyclic aromatic organic compound with chemical formula C4H4N2. The marketed pyrazine drugs are mainly distributed in the field of anti-tumor and anti-infection. In recent years, there have been many new drugs in various fields, and there are some new target drugs worthy of attention.
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Triazines are an important class of six-membered aromatic heterocycles with three nitrogen atoms that give rise to three regioisomers: 1,2,4-triazines, 1,2,3-triazines, and 1,3, 5-triazine. 1,2,3-Triazines show remarkable reactivity and have attracted attention for their medicinal value. Triazine compounds fused with other carbon and heterocycles are stable and have a broad spectrum of pharmacological activities.
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