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