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        > 2-Chloro-5-aminopyridine
        > 3-Amino-2-chloropyridine
        > 2-Chloro-3-nitropyridine
        > 2-Bromo-5-fluoro-pyridine
        > 3-fluoropyridine
        > 2-Bromo-5-chloro-pyridine
        > 2-Hydroxy-5-nitropyridine
        > 3-Bromo-6-fluoropyridine
        > 3-Methylpyrazole
        > 1H-Pyrazole-3-Carboxylic Acid
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