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