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