Methyl 2-bromo-4-(difluoromethyl)-6-methoxypyridine-3-carboxylate
6-(Difluoromethyl)-2-fluoro-4-methyl-3-(trifluoromethoxy)pyridine
4-Cyano-2-(difluoromethyl)pyridine-6-sulfonamide
Methyl 2-(chloromethyl)-5-cyano-6-(trifluoromethoxy)pyridine-3-carboxylate