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