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