5-(Bromomethyl)-4-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine
6-(Bromomethyl)-4-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2-cyano-5-methyl-6-(trifluoromethoxy)pyridine
6-(Chloromethyl)-2-cyano-4-methyl-3-(trifluoromethoxy)pyridine