molecules Article Synthesis and Evaluation of Phenylxanthine Derivatives as Potential Dual A2AR Antagonists/MAO-B Inhibitors for Parkinson's Disease Xuebao Wang, Chao Han, Yong Xu, Kaiqi Wu, Shuangya Chen, Mangsha Hu, Luyao Wang, Yun Ye and Faqing Ye * School of Pharmaceutical Sciences, ...