Ethyl 6-amino-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-carboxylate
4-Bromo-3-chloro-5-(difluoromethyl)-2-methylpyridine
3-Bromo-4-chloro-2-(difluoromethyl)-5-iodopyridine
4-Bromo-6-chloro-2-(difluoromethyl)-3-methylpyridine
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