Purity >98% by HPLC. A non-selective adenosine receptor antagonist, adenosine transport inhibitor and Adenosine 3',5'-cyclic Monophosphate (cAMP) Phosphodiesterase (PDE) inhibitor. It act also as a Nerve Growth Factor (NGF) stimulator. It has been studied as a possible treatment for Alzheimer's disease and multi-infarct dementia.