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J.; Schirmeister, Tanja; Straetener, Jan; Brötz-Oesterhelt, Heike","title":"Nostotrebin 6 Related Cyclopentenediones and δ-Lactones with Broad Activity Spectrum Isolated from the Cultivation Medium of the Cyanobacterium Nostoc sp. CBT1153","journal":"Journal of Natural Products","year":2020,"volume":"83","issue":"2","pages":"392-400"},"origin_organism":{"id":10044,"type":"Bacterium","genus":"Nostoc","species":"sp. 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