Patents Assigned to Hanghzhou Bensheng Pharmaceutical Co., Ltd
  • Publication number: 20140343064
    Abstract: The present invention belongs to the field of natural medicine and pharmaceutical chemistry, and specifically relates to novel 2-substituted oleanolic acid derivatives of formula (I) or a pharmaceutically acceptable salt thereof, to a process for the preparation of these compounds, compositions containing such compounds and their use in preparing antineoplastic medicaments.
    Type: Application
    Filed: November 30, 2012
    Publication date: November 20, 2014
    Applicant: Hanghzhou Bensheng Pharmaceutical Co., Ltd
    Inventors: Rongzhen Xu, Frank Rong, Hongxi Lai, Fuwen Xie