Methyl 2-bromo-6-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylate
2-Bromo-3-(chloromethyl)-4-methyl-6-(trifluoromethoxy)pyridine
5-Bromo-2-(fluoromethyl)-3-methyl-4-(trifluoromethoxy)pyridine
4-Bromo-5-(fluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine