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