3-Cyano-2-methoxy-4-(trifluoromethoxy)pyridine-6-sulfonamide
2-Cyano-6-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
2-(Aminomethyl)-5-fluoro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
6-Cyano-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonamide