The present invention relates to phospholipids containing nitrocarboxylic acid(s) to medical products coated with said compounds e.g. stents catheter balloons wound dressings or surgical suturing material and to biopassivating compositions rinsing solutions impregnation solutions coating solutions cryoprotectant solutions cryopreservative media lyoprotectant solutions contrast agent solutions preservative solutions and perfusion solutions containing said compounds to the production of said solutions and of the coated medical products and to their uses.