Methyl 2-chloro-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylate
6-Cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxaldehyde
6-Cyano-3-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine
3-Chloro-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylic acid