4-Chloro-3-cyano-2-(difluoromethyl)-5-nitropyridine
4-Chloro-2-cyano-6-(difluoromethyl)-3-nitropyridine
Methyl 5-bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-carboxylate
4-Chloro-2-cyano-5-(difluoromethyl)-3-nitropyridine
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