Ethyl 2-(difluoromethyl)-6-hydroxy-4-(trifluoromethyl)pyridine-3-carboxylate
3-(Difluoromethyl)-5-iodo-2-methyl-6-(trifluoromethyl)pyridine
Ethyl 4-(bromomethyl)-2-(difluoromethyl)-3-hydroxypyridine-6-carboxylate
2-(Difluoromethyl)-6-iodo-3-methyl-5-(trifluoromethyl)pyridine