Methyl 3,6-difluoro-4-(difluoromethyl)pyridine-2-carboxylate
Methyl 2,5-difluoro-3-(difluoromethyl)pyridine-4-carboxylate
2-(Chloromethyl)-3-(difluoromethyl)-4,6-diiodopyridine
Methyl 4,6-difluoro-3-(difluoromethyl)pyridine-2-carboxylate
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