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SCSIO 41331 collected from the deep-sea sediment in the cold-seep area of the South China Sea. Elucidation of planar structures was achieved via 1D and 2D NMR and mass spectrometry, whereas stereochemistry was validated through optical rotation and NOE correlations, chiral phase HPLC analysis and NMR calculation. All compounds were assessed for antitumor activity, among which compound 4 displayed moderate antiproliferative activity against HT29 cells and suppressed colony expansion.<\/jats:p>","DOI":"10.3390\/md24060214","type":"journal-article","created":{"date-parts":[[2026,6,15]],"date-time":"2026-06-15T15:00:48Z","timestamp":1781535648000},"page":"214","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["New Cytotoxic Anthraquinone Derivatives from a Deep-Sea-Derived Aspergillus sp. 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