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