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