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