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