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