医药中间体 Pyridine;pyridine derivative;Pyridines, Pyrimidines, Purines and Pteredines;Halides;Pyridines;Chloropyridines;Halopyridines;Boronic Acid;C5Heterocyclic Building Blocks;Halogenated Heterocycles;Heterocyclic Building Blocks;卤代吡啶;Chlorinated heterocyclic series;氯取代杂环系列;医药中间体;吡啶系列;吡啶;Building Blocks;C5;Chemical Synthesis;Halogenated Heterocycles;Heterocyclic Building Blocks;吡啶衍生物;吡啶类中间体;杂环砌块;alkyl chloride;通用试剂;吡啶类;氟化学,卤素化合物化合物
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