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