Ni-Man Bao

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Four new 9,19-cycloartane triterpenoids, cimilactone E (1), cimilactone F (2), 2′-O-(E)-butenoyl-23-epi-26-deoxyactein (3), and 2′,12β-O-diacetylcimiracemonol-3-O-β-d-xylopyranoside (4), together with four known constituents (5–8) were isolated from the roots of Cimicifuga foetida. The new structures were elucidated by extensive spectroscopic analysis. In(More)
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