5-Chloro-2-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
6-(Aminomethyl)-4-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
5-Cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Chloro-5-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide