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