Guan Wang, Zheng Liu, Tiantian Chen, Zhen Wang, Huaiyu Yang, Mingyue Zheng, Jing Ren, Guanghui Tian, Xiaojun Yang, Li Li, Jianfeng Li, Jin Suo, Rongxia Zhang, Xiangrui Jiang, Nicholas Kenneth Terrett, Jingshan Shen, Yechun Xu, Hualiang Jiang Design, Synthesis, and Pharmacological Evaluation of Monocyclic Pyrimidinones as Novel Inhibitors of PDE5. Journal of Medicinal Chemistry, 55(23), 10540-10550. (2012).
https://doi.org/10.1021/jm301159y