4-Bromo-2-cyano-3-(difluoromethyl)pyridine-6-carboxylic acid
2-Bromo-6-(difluoromethyl)-5-hydroxypyridine-3-sulfonamide
5-Bromo-3-cyano-2-(difluoromethyl)pyridine-4-carboxylic acid
4-Bromo-3-(difluoromethyl)-5-iodo-2-methoxypyridine
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