5-Bromo-2-(difluoromethyl)-3-nitropyridine-4-carbonyl chloride
4-Bromo-5-(difluoromethyl)-3-methyl-2-nitropyridine
3-Chloro-6-cyano-2-(difluoromethyl)-4-fluoropyridine
2-Bromo-6-(difluoromethyl)-3-methyl-4-nitropyridine
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