2-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-4-carbonyl chloride
5-(Difluoromethyl)-2-hydroxy-4-nitropyridine-3-sulfonamide
2-Bromo-6-(chloromethyl)-5-iodo-3-(trifluoromethoxy)pyridine
2-Hydroxy-4-nitropyridine-6-acetic acid
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