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