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