2-Chloro-5-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine
2-Chloro-3-(chloromethyl)-4-nitro-5-(trifluoromethoxy)pyridine
6-Chloro-4-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine
4-Chloro-2-(fluoromethyl)-6-methyl-3-(trifluoromethoxy)pyridine