Patents Assigned to YULIANG LI
  • Compound of camptothecin and preparation and use thereof
    Patent number: 9458170
    Abstract: The present disclosure relates to a compound of formula I, a pharmaceutical composition thereof and the use thereof as an anti-tumor drug.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: October 4, 2016
    Assignee: YULIANG LI
    Inventor: Yuliang Li