3-Chloro-6-cyano-4-(difluoromethyl)pyridine-2-sulfonamide
2-(Aminomethyl)-5-chloro-3-(difluoromethyl)pyridine-4-carboxylic acid
6-Chloro-2-cyano-4-(difluoromethyl)pyridine-3-sulfonamide
4-Chloro-6-(difluoromethyl)-2-iodo-3-nitropyridine
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