3-Chloro-4-cyano-2-(difluoromethyl)-5-iodopyridine
Methyl 2-bromo-3-(difluoromethyl)-4-nitropyridine-6-carboxylate
3-Chloro-2-cyano-5-(difluoromethyl)-4-iodopyridine
3-Bromo-6-(difluoromethyl)-2-nitropyridine-4-carboxylic acid
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