3-Chloro-6-cyano-2-(difluoromethyl)-4-fluoropyridine
2-Bromo-6-(difluoromethyl)-3-methyl-4-nitropyridine
4-Bromo-3-(difluoromethyl)-6-nitropyridine-2-sulfonamide
2-Bromo-3-(difluoromethyl)-4-methyl-5-(trifluoromethyl)pyridine
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