6-Cyano-4-hydroxy-2-(trifluoromethoxy)pyridine-3-sulfonamide
2-(Difluoromethyl)-5-methoxypyridine-3-carboxamide
Methyl 4-amino-2-(difluoromethyl)-5-fluoropyridine-3-carboxylate
Ethyl 3-(chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine-5-carboxylate