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