3-(Bromomethyl)-6-methyl-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-(Bromomethyl)-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-(Bromomethyl)-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-(Bromomethyl)-3-methyl-6-(trifluoromethoxy)pyridine-2-carboxaldehyde