Methyl 5-bromo-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-carboxylate
5-Chloro-4-(fluoromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Methyl 2-bromo-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxylate
3-Chloro-6-(chloromethyl)-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine