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