Cytophocholine, chemically known as cytophocholine cytosine riboside 5 '-diphosphate monosodium salt, is a precursor of lecithin biosynthesis. When brain function declines, the content of lecithin in brain tissue is significantly reduced. Sodium salt is white or white powder, odorless; Easy to moisture absorption. This product is soluble in water, insoluble in ethanol, acetone, chloroform. It has optical rotation.