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