6-Cyano-2-(difluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine
2-Cyano-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
Ethyl 3-cyano-2-hydroxy-6-(trifluoromethoxy)pyridine-5-acetate
Ethyl 6-cyano-4-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate