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