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