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