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