Ethyl 2-(chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
4-Chloro-2-(difluoromethyl)pyridine-5-acetic acid
3-Chloro-5-(difluoromethyl)pyridine-4-acetic acid
2-(Chloromethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetic acid