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