4-Cyano-2-(difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine
Methyl 2-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetate
5-Fluoro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetic acid
Ethyl 3-cyano-6-nitro-2-(trifluoromethoxy)pyridine-5-acetate