The present invention relates to nitro-carboxylic acid (s)-containing phospholipids, to be used for coating of medical devices such as stents, catheter balloons, wound pads or surgical suture material and for bio-passivating compositions, such as rinses, waterproofing solutions, coating solutions, cryoprotection solutions, cold preservation media, lyoprotection solutions, contrast media solutions, preservation and reperfusion solutions containing these compounds as well as preparing solutions thereof and coating medical devices as well as their uses.