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