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