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