5-Cyano-3-nitro-2-(trifluoromethoxy)pyridine-4-acetonitrile
3-(Difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-5-methanol
Ethyl 4-cyano-5-nitro-3-(trifluoromethoxy)pyridine-2-acetate
6-(Difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-methanol