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