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