Methyl 4-chloro-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-chloro-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-(chloromethyl)-3-cyano-2-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 4-(chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine-3-carboxylate