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