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