4-Chloro-5-(difluoromethyl)-3-fluoropyridine-2-sulfonamide
5-Methyl-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Amino-2-(difluoromethyl)-3-fluoropyridine-6-carboxylic acid
4-(Bromomethyl)-5-(difluoromethyl)-2-nitropyridine
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