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