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