4-Bromo-5-(difluoromethyl)-2-nitropyridine-3-methanol
4-Bromo-5-(difluoromethyl)-3-nitropyridine-2-methanol
3-Chloro-5-cyano-2-(difluoromethyl)-4-fluoropyridine
3-Chloro-4-cyano-6-(difluoromethyl)-2-fluoropyridine
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