Ethyl 4-chloro-3-(difluoromethyl)-2-methylpyridine-5-acetate
4-Chloro-5-(chloromethyl)-2-(difluoromethyl)pyridine-3-acetic acid
Ethyl 4-chloro-2-(difluoromethyl)-3-methylpyridine-5-acetate
Ethyl 6-chloro-4-(chloromethyl)-2-(difluoromethyl)pyridine-3-acetate