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History
- July 24, 2018.
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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
Author Information
- 1Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, Shaanxi, China
- ↵*Correspondence: Jinyou Duan, PhD, Tel.: +86 29-87092662; E-mail: jduan{at}nwsuaf.edu.cn