Methyl 4-(difluoromethyl)-6-hydroxy-3-methoxypyridine-2-carboxylate
3-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine
Ethyl 5-amino-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxylate
4-(Difluoromethyl)-5-iodopyridine-2-methanol