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