Methyl 6-bromo-2-(difluoromethyl)-3-fluoropyridine-4-carboxylate
6-Bromo-4-(chloromethyl)-3-(difluoromethyl)-2-iodopyridine
Methyl 2-bromo-5-(difluoromethyl)-6-fluoropyridine-3-carboxylate
3-Bromo-4-(chloromethyl)-2-(difluoromethyl)-6-fluoropyridine
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