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Decipinin A (1), a new compound with antifungal and antibacterial activity, has been isolated from liquid cultures of the coprophilous fungus Podospora decipiens (JS 270). Two new tetracyclic sesquiterpene lactones, decipienolides A (2) and B (3), were also obtained from this isolate as an inseparable mixture of epimers that showed antibacterial activity. The structures of 1-3 were elucidated by analysis of 1D and 2D NMR data, aided by chemical shift comparisons to related compounds.
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Che et al. (2002) studied this question.
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