Methyl 5-cyano-2-(difluoromethyl)-4-methylpyridine-3-carboxylate
5-Cyano-2-(difluoromethyl)-4-hydroxy-3-nitropyridine
Methyl 3-cyano-5-(difluoromethyl)-4-methylpyridine-2-carboxylate
5-Cyano-3-(difluoromethyl)-4-iodopyridine-2-acetic acid
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