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