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