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