4-Cyano-2-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-(Bromomethyl)-5-cyano-2-(trifluoromethoxy)pyridine-3-acetic acid
5-Cyano-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
5-Cyano-2-methoxy-4-(trifluoromethoxy)pyridine-3-methanol