3-Cyano-6-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonamide
5-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-(Aminomethyl)-3-chloro-2-nitro-4-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-cyano-6-(trifluoromethoxy)pyridine-2-carboxaldehyde