4-(Difluoromethyl)-3,5-dimethoxypyridine-2-sulfonamide
3-Amino-2-chloro-6-(difluoromethyl)pyridine-4-carboxylic acid
4-Amino-5-(bromomethyl)-2-chloro-3-(difluoromethyl)pyridine
4-Amino-3-(bromomethyl)-5-chloro-2-(difluoromethyl)pyridine
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