• 方法嘧啶起始原料,经反应合成西多福韦。

    Methods Cidofovir was synthesized via 6-step reactions with cytosine as the starting material.

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  • 简单含氮有机分子,具一个双环结构——嘧啶融合成一个五元咪环。

    Purine a simple nitrogenous organic molecule with a double-ring structure? A 6-membered pyrimidine ring fused to a 5-membered imidazole ring.

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  • 简单含氮有机分子,具一个双环结构——嘧啶融合成一个五元咪环。

    Purine a simple nitrogenous organic molecule with a double-ring structure? A 6-membered pyrimidine ring fused to a 5-membered imidazole ring.

    youdao

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