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