6-(Difluoromethyl)-2-nitro-3-(trifluoromethyl)pyridine-4-acetonitrile
5-(Difluoromethyl)-2-methyl-3-(trifluoromethyl)pyridine-6-acetonitrile
4-(Difluoromethyl)-3-methyl-5-(trifluoromethyl)pyridine-2-acetic acid
3-(Difluoromethyl)-5-methyl-6-(trifluoromethyl)pyridine-2-acetonitrile