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