Ethyl 2-(difluoromethyl)-3-fluoropyridine-5-carboxylate
Methyl 2-(difluoromethyl)-6-fluoropyridine-4-carboxylate
5-(Bromomethyl)-2-(difluoromethyl)-4-fluoropyridine
Methyl 2-(difluoromethyl)-5-fluoropyridine-4-carboxylate
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