6-Cyano-2-methyl-4-(trifluoromethoxy)pyridine-3-sulfonamide
6-Cyano-4-methyl-3-(trifluoromethoxy)pyridine-2-sulfonamide
2-Cyano-3-methyl-4-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 2-(chloromethyl)-6-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylate