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