Ethyl 4,5-difluoro-2-(difluoromethyl)pyridine-3-carboxylate
Ethyl 4,5-difluoro-3-(difluoromethyl)pyridine-2-carboxylate
3,5-Difluoro-2-(difluoromethyl)pyridine-4-carbonyl chloride
Ethyl 2,6-difluoro-4-(difluoromethyl)pyridine-3-carboxylate
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