Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research&Development Liaoning Province School of Traditional Chinese Materia Medica Shenyang Pharmaceutical University Shenyang 110016 China;
Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research&Development Liaoning Province School of Traditional Chinese Materia Medica Shenyang Pharmaceutical University Shenyang 110016 China;
Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research&Development Liaoning Province School of Traditional Chinese Materia Medica Shenyang Pharmaceutical University Shenyang 110016 China;
Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research&Development Liaoning Province School of Traditional Chinese Materia Medica Shenyang Pharmaceutical University Shenyang 110016 China;
Piper betle L.; chemical constituents; biological activity; alkaloids; lignans;