2-Chloro-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Chloromethyl)-2-cyano-4-(trifluoromethoxy)pyridine-5-acetic acid
2-(Chloromethyl)-6-cyano-3-(trifluoromethoxy)pyridine-4-acetic acid
2-(Chloromethyl)-5-cyano-3-(trifluoromethoxy)pyridine-4-acetic acid