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