3-Chloro-4-cyano-2-(difluoromethyl)pyridine-5-sulfonyl chloride
3-Chloro-4-cyano-2-(difluoromethyl)-6-nitropyridine
Ethyl 2-(aminomethyl)-4-bromo-3-(difluoromethyl)pyridine-5-carboxylate
3-Chloro-2-cyano-5-(difluoromethyl)-6-nitropyridine
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