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