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