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