3-Bromo-6-(difluoromethyl)-2,5-dimethoxypyridine
4-Amino-2-bromo-3-(difluoromethyl)pyridine-6-carboxylic acid
6-Bromo-3-(difluoromethyl)-2,4-dimethoxypyridine
3-Amino-5-bromo-6-(difluoromethyl)pyridine-2-carboxylic acid
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