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