Ethyl 2-(chloromethyl)-4-(difluoromethyl)pyridine-5-carboxylate
Methyl 2-(aminomethyl)-6-(difluoromethyl)pyridine-3-acetate
3-(Difluoromethyl)-2-nitropyridine-5-sulfonyl chloride
Methyl 2-(aminomethyl)-5-(difluoromethyl)pyridine-3-acetate
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