... 2.Affordable,timely delivery ,long shelf life Vitamin K3 (MSB)Chemical name: sodium bisulfite menadioneMolecular formula: C11H8O2 • NaHSO3 ... may cause vascular rupture occurred to the skin surface can be observed generalized bleeding, and muscle, brain, gastrointestinal tract ... cool, dark, dry placeShelf life:1 Year, should be as soon as possible after opening to prevent deteriorationPacking: ...