6-(Difluoromethyl)-3-methoxypyridine-2-sulfonamide
4-(Chloromethyl)-3-(difluoromethyl)pyridine-2-sulfonamide
Ethyl 4-(difluoromethyl)-2-fluoropyridine-3-carboxylate
Methyl 3-fluoro-4-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
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