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