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