TPN171 是一种有效选择性的、有口服活性的五型磷酸二酯酶 (PDE5) 抑制剂，IC50 值为 0.62 nM，被开发用于肺动脉高压 (PAH) 的治疗。
CAS：1229018-87-4
分子式：C24H35N5O3
分子量：441.57
纯度：98%
存储：Store at -20°C

Background:

TPN171 is a potent, selective and oral bioavailable inhibitor of phosphodiesterase type 5 (PDE5) with an IC50 of 0.62 nM, being developed for the treatment of pulmonary arterial hypertension (PAH)[1]. PDE5|0.62 nM (IC50)

[1]. Wang Z, et al. Pharmacokinetics-Driven Optimization of 4(3 H)-Pyrimidinones as Phosphodiesterase Type 5 Inhibitors Leading to TPN171, a Clinical Candidate for the Treatment of Pulmonary Arterial Hypertension. J Med Chem. 2019 May 23;62(10):4979-4990.