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