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