dipalmitoylphosphatidylcholine, dppc molecule. natural phospholipid present in pulmonary surfactant

dipalmitoylphosphatidylcholine dppc molecule phosphatidylcholine phospholipid lecithin surfactant lung alveolar pulmonary saturated palmitoyl palmitic acid lipid membrane stability respiratory essential component drawing flat icon hydrogen carbon oxygen organic chemistry structural formula chemical atomic molecular structure atom white dark blue compound design vector