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