3-Cyano-4-(difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine
Methyl 2-(chloromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
5-Cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol
3-Cyano-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-methanol