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