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