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
Methyl 2-(chloromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-4-carboxylate