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