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