4-Chloro-6-cyano-2-(difluoromethyl)pyridine-3-sulfonyl chloride
5-Chloro-2-(difluoromethyl)-4-fluoropyridine-3-carboxylic acid
4-Chloro-6-cyano-3-(difluoromethyl)pyridine-2-sulfonyl chloride
5-Chloro-2-(difluoromethyl)-3-fluoropyridine-4-carboxylic acid