Ethyl 2-bromo-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carboxylate
Methyl 3-bromo-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-carboxylate
3-Bromo-6-methoxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
Methyl 6-bromo-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate