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