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