Ethyl 3-(difluoromethyl)-6-fluoropyridine-2-carboxylate
Ethyl 4-(difluoromethyl)-5-fluoropyridine-2-carboxylate
3-(Difluoromethyl)-4-fluoropyridine-5-carboxaldehyde
3-(Difluoromethyl)-2-fluoropyridine-6-carboxaldehyde
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