1,9-Dimethylxanthine
1,9-Dimethylxanthine is an adenosine receptor antagonist that has the activity of blocking the effects of adenosine on the central nervous system. 1,9-Dimethylxanthine enhances nerve excitability by regulating the adenosine system. 1,9-Dimethylxanthine is used as a pharmacological tool in research to help explore physiological and pathological processes related to adenosine.