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Xingwen Li

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  • Tianjin, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SOLID FORMS OF THIOPHENE DERIVATIVES
    • Publication number 20210380600
    • Publication date Dec 9, 2021
    • Tianjin Hemay Pharmaceutical CO.,LTD
    • Donglei Zhang
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    CRYSTAL FORMS OF THIOPHENE DERIVATIVES
    • Publication number 20210230181
    • Publication date Jul 29, 2021
    • TIANJIN HEMAY PHARMACEUTICAL SCI-TECH CO., LTD
    • Donglei ZHANG
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    PYRIDYL CYANOGUANIDINE DERIVATIVES
    • Publication number 20120309797
    • Publication date Dec 6, 2012
    • Hesheng Zhang
    • C07 - ORGANIC CHEMISTRY