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