Methyl 4-(bromomethyl)-5-cyano-2-(trifluoromethoxy)pyridine-3-acetate
4-(Bromomethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 4-(bromomethyl)-6-cyano-2-(trifluoromethoxy)pyridine-3-acetate
3-(Bromomethyl)-5-cyano-6-(trifluoromethoxy)pyridine-2-carboxaldehyde