The present invention relates to an optically pure compound of formula (I) or a pharmaceutically acceptable salt or hydrate thereof, a process for preparing the optically pure compound of formula (I), and use of the optically pure compound of formula (I) or a pharmaceutically acceptable salt or hydrate thereof as a medicament, in particular as a medicament for the treatment and prevention of type B hepatitis.
本发明涉及一种光学纯的式(I)化合物或其药学上可接受的盐或
水合物、制备光学纯的式(I)化合物的工艺,以及将光学纯的式(I)化合物或其药学上可接受的盐或
水合物用作药物,特别是用作治疗和预防乙型肝炎的药物。