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