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