5-Chloro-2-(difluoromethyl)-4-fluoropyridine-3-carbonyl chloride
2-Amino-3-methyl-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
3-Amino-5-cyano-6-(difluoromethyl)-2-iodopyridine
4-Methoxy-2-methyl-3-(trifluoromethoxy)pyridine-5-carboxylic acid
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