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