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