Ethyl 2-(chloromethyl)-3-(difluoromethyl)pyridine-5-carboxylate
2-(Difluoromethyl)-5-nitropyridine-4-sulfonyl chloride
Methyl 2-(aminomethyl)-4-(difluoromethyl)pyridine-3-acetate
Methyl 5-(chloromethyl)-2-(difluoromethyl)pyridine-4-carboxylate
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