Methyl 2-(difluoromethyl)-3-iodo-5-methylpyridine-6-carboxylate
6-(Bromomethyl)-2-(difluoromethyl)-3-iodo-4-methoxypyridine
Ethyl 4-(chloromethyl)-3-(difluoromethyl)-6-hydroxypyridine-2-acetate
2-(Difluoromethyl)-5-iodo-4-methoxy-3-(trifluoromethyl)pyridine