Methyl 3-(chloromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-6-carboxylate
4-Cyano-2-(difluoromethyl)-5-methyl-3-(trifluoromethyl)pyridine
2-(Fluoromethyl)-3-methoxy-5-nitro-6-(trifluoromethoxy)pyridine
5-Iodo-4-nitro-3-(trifluoromethoxy)pyridine-2-acetic acid