Patents Assigned to Zhejiang Date Pharmaceutical Group Co. Ltd
  • Pyrazolopyrimidinone Compound and Imidazo Triazone Compound for Treating Erectile Dysfunction
    Publication number: 20140018351
    Abstract: Disclosed are selective phosphodiesterase inhibitor compounds shown in formula (I) or (II) for treating Erectile Dysfunction, the pharmaceutically acceptable salts and configurational isomers thereof. In the formula, the substituents R1, R2, R3, R4 and R5are defined as in the specification. Also disclosed are a medical composition comprising compounds of formula (I) or (II), and the use of these compounds for preparing a drug treating or preventing male Erectile Dysfunction.
    Type: Application
    Filed: January 20, 2012
    Publication date: January 16, 2014
    Applicant: Zhejiang Date Pharmaceutical Group Co. Ltd
    Inventors: Jianping Wang, Jianguo Wang