3-(Bromomethyl)-5-methyl-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
6-(Bromomethyl)-4-methyl-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Chloromethyl)-4-(difluoromethyl)-2-methoxy-6-(trifluoromethyl)pyridine
3-(Chloromethyl)-2-(difluoromethyl)-6-methoxy-4-(trifluoromethyl)pyridine