3-Chloro-2-cyano-5-(difluoromethyl)-4-methylpyridine
3-Bromo-2-(difluoromethyl)-4-nitropyridine-6-carboxylic acid
6-Bromo-2-(difluoromethyl)-3-nitropyridine-4-carboxylic acid
2-Chloro-6-cyano-5-(difluoromethyl)-3-methylpyridine
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