3-Amino-2-(difluoromethyl)-6-fluoropyridine-5-sulfonyl chloride
2-(Bromomethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-sulfonamide
5-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Bromo-2-chloro-6-(trifluoromethoxy)pyridine-3-methanol