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