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