3-(Difluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Difluoromethyl)-5-methyl-2-(trifluoromethoxy)pyridine-4-acetonitrile
3-(Difluoromethyl)-4-methyl-6-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Difluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine-4-acetonitrile