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Two new steroidal saponins, named timosaponin R (1) and S (2), together with seven known compounds (3-9) were isolated from the rhizomes of Anemarrhena asphodeloides Bge. Their structures were elucidated on the basis of NMR spectroscopy and mass spectrometry. All the compounds were evaluated for cytotoxic activities against the four human cancer cell lines MCF7, SW480, HepG2 and SGC7901 in vitro....
One new anthracene derivative, juglanthracenoside A (1), two new anthraquinones, juglanthraquinone A (2) and juglanthraquinone B (3), along with a new naturally occurring anthraquinone, 9,10‐dihydro‐4,8‐dihydroxy‐9,10‐dioxoanthracene‐2‐carboxylic acid (4), have been isolated from the stem bark of Juglans mandshurica. Their structures were established by detailed spectroscopic analysis and comparison...
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