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