Ethyl 3-cyano-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetate
2-Cyano-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-methanol
Ethyl 3-fluoro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate
2-Cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-methanol