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