Ethyl 3,5-difluoro-2-(difluoromethyl)pyridine-4-acetate
Methyl 2,5-dichloro-3-(difluoromethyl)pyridine-4-carboxylate
2-Bromo-5-(difluoromethyl)-3,6-diiodopyridine
Methyl 4,6-dichloro-3-(difluoromethyl)pyridine-2-carboxylate
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