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