4-(Chloromethyl)-6-cyano-2-(trifluoromethoxy)pyridine-3-methanol
3-Cyano-2-methoxy-6-(trifluoromethoxy)pyridine-5-sulfonamide
4-(Chloromethyl)-2-cyano-5-(trifluoromethoxy)pyridine-3-methanol
6-Cyano-2-methoxy-3-(trifluoromethoxy)pyridine-4-sulfonamide