Methyl 4-(fluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 4-(fluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-chloro-4-iodo-3-(trifluoromethoxy)pyridine-6-acetate
Methyl 5-chloro-4-iodo-2-(trifluoromethoxy)pyridine-3-acetate