Keywords: Propentofylline.svg Skeletal formula of propentofylline Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 10 0 and Inkscape Own 2007-07-28 Fvasconcellos 19 28 28 July 2007 UTC valid svg Adenosine reuptake inhibitors Methyl compounds Neuroprotective agents Phosphodiesterase inhibitors Propylamines Vasodilators Xanthines |