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