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  • Title: New polyoxypregnane glycosides from the roots of Marsdenia tenacissima.
    Author: Pang X, Kang LP, Yu HS, Zhao Y, Han LF, Zhang J, Xiong CQ, Zhang LX, Yu LY, Ma BP.
    Journal: Steroids; 2015 Jan; 93():68-76. PubMed ID: 25447796.
    Abstract:
    For the first time, a systematic phytochemical study was performed on the roots of Marsdenia tenacissima. Finally, sixteen new polyoxypregnane glycosides, marstenacissides A1-A7 (1-7) and marstenacissides B1-B9 (8-16), were isolated from M. tenacissima roots. The structures of these new compounds were established by various spectroscopic techniques, including 1D and 2D NMR spectroscopy and mass spectrometry.
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