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