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SCSIO 41044. The planar structures of 1\u20132 were elucidated through extensive spectroscopic analyses and their absolute configurations determined by modified Mosher\u2019s methods. Biological evaluation revealed that 5, 7, and 8 showed potent cytotoxicity against small cell lung cancers H446 and H1048, with IC50 values ranging from 0.0441 to 1.61 \u03bcM.<\/jats:p>","DOI":"10.3390\/molecules30224483","type":"journal-article","created":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T12:02:42Z","timestamp":1763640162000},"page":"4483","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Cytotoxic Cytochalasans from Sponge-Derived Aspergillus sp. 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