Methyl 4-(chloromethyl)-2-(difluoromethyl)-3-methylpyridine-5-carboxylate
Methyl 5-(chloromethyl)-3-(difluoromethyl)-2-methylpyridine-4-carboxylate
Methyl 3-(chloromethyl)-5-(difluoromethyl)-6-methylpyridine-2-carboxylate
Methyl 3-(bromomethyl)-6-(difluoromethyl)-2-methylpyridine-4-acetate