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