2-Bromo-6-chloro-3-(difluoromethyl)-4-nitropyridine
6-Bromo-3-chloro-4-(difluoromethyl)-2-nitropyridine
2-Bromo-5-chloro-3-(difluoromethyl)-4-nitropyridine
2-Bromo-4-chloro-5-(difluoromethyl)pyridine-3-carbonyl chloride
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