3-Cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetic acid
Methyl 4-fluoro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetate
3-Cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetic acid
Methyl 4-fluoro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-acetate