2-Cyano-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-acetonitrile
4-Cyano-3-(difluoromethyl)-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Ethyl 3-cyano-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetate
2-Fluoro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-acetic acid