4-Cyano-5-(fluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine
5-(Bromomethyl)-3-(difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-5-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine