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