4-Cyano-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carboxaldehyde
4-Cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Fluoro-3-methyl-6-nitro-5-(trifluoromethoxy)pyridine
2-Fluoro-3-methyl-5-nitro-4-(trifluoromethoxy)pyridine