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