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