6-(Difluoromethyl)-3-iodo-2-methylpyridine-4-carboxaldehyde
Methyl 2-(bromomethyl)-5-(difluoromethyl)-3-hydroxypyridine-4-acetate
Ethyl 5-(chloromethyl)-4-(difluoromethyl)-3-hydroxypyridine-2-carboxylate
Methyl 2-(bromomethyl)-3-(difluoromethyl)-4-hydroxypyridine-5-acetate