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Abstract
Two new iridoid glycosides, piasezkiiosides A (1) and B (2), were isolated from aqueous extract of the whole plant of Rehmannia piasezkii. Their structures were established from the spectroscopic data, chemical transformation, and X-ray diffraction analysis. Compound 1 exhibited weak hepatoprotective activity against APAP-induced HepG2 cell damage.
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Disclosure statement
No potential conflict of interest was reported by the author(s).
Additional information
Funding
This work was financially supported by CAMS Initiative for Innovative Medicine [2021-I2M-1-027-4], [2021-I2M-1-028-1] and the State Key Laboratory of Bioactive Substance and Function of Natural Medicines; Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College.