Ethyl 5-(difluoromethyl)-2-fluoropyridine-4-carboxylate
5-(Difluoromethyl)-2-fluoropyridine-4-carbonyl chloride
4-(Difluoromethyl)-5-fluoropyridine-2-carbonyl chloride
4-(Difluoromethyl)-3-fluoropyridine-2-carbonyl chloride
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