2-(Chloromethyl)-4-(difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine
2-Hydroxy-6-methoxy-3-nitro-4-(trifluoromethoxy)pyridine
6-Hydroxy-3-methoxy-4-nitro-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine