3-(Bromomethyl)-6-cyano-2-(trifluoromethoxy)pyridine-4-acetic acid
4-Cyano-6-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-(Bromomethyl)-2-cyano-4-(trifluoromethoxy)pyridine-3-acetic acid
4-Cyano-2-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride