Patents Assigned to SHENYANG HAIWANG BIOTECHNOLOGY CO., LTD.
  • Benzo five-membered nitrogen heterocyclic piperidine or piperazine derivatives and preparation methods and pharmaceutical compositions thereof
    Patent number: 9802929
    Abstract: Compounds of formula (I) and its pharmaceutically acceptable salts are described wherein R1, R2, X, Y, A, B are as defined in the specification. Also disclosed are methods for preparing the compounds of formula (I) or pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the compounds of formula (I) or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: October 31, 2017
    Assignee: SHENYANG HAIWANG BIOTECHNOLOGY CO., LTD.
    Inventors: Yan Zhou, Lirong Zhang, Jie Zhou, Xin Zhou