2-Bromo-4-(difluoromethyl)-3-nitropyridine-6-sulfonamide
4-Bromo-2-(difluoromethyl)-3-methoxypyridine-5-carboxylic acid
2-Bromo-3-(difluoromethyl)-6-nitropyridine-5-sulfonamide
3-Bromo-5-(difluoromethyl)-6-methoxypyridine-2-carboxylic acid
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