Methyl 2,3-difluoro-4-(difluoromethyl)pyridine-5-acetate
3-(Difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine-5-sulfonyl chloride
3-Fluoro-2-hydroxy-4-nitro-6-(trifluoromethoxy)pyridine
2-Chloro-6-cyano-3-(difluoromethyl)-5-fluoropyridine
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