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