Ethyl 2-bromo-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-acetate
5-Chloro-2-cyano-3-(difluoromethyl)-4-fluoropyridine
4-Chloro-3-cyano-2-(difluoromethyl)-5-fluoropyridine
5-Chloro-2-cyano-4-(difluoromethyl)-3-iodopyridine
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