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