4-Bromo-2-(bromomethyl)-6-(difluoromethyl)-3-nitropyridine
6-Bromo-3-(difluoromethyl)-4-hydroxypyridine-2-sulfonamide
4-Bromo-2-(bromomethyl)-5-(difluoromethyl)-3-nitropyridine
4-Bromo-2-(bromomethyl)-3-(difluoromethyl)-5-nitropyridine
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