{"id":29223,"npaid":"NPA029223","original_name":"Nostolactone 4","mol_formula":"C25H20O6","mol_weight":"416.4290","exact_mass":"416.1260","inchikey":"ALOKGBOHBCZWBY-UHFFFAOYSA-N","smiles":"O=C1OC(C2=CC=C(O)C=C2)=CC(CC2=CC=C(O)C=C2)=C1CC1=C(O)C=C(O)C=C1","cluster_id":8626,"node_id":3587,"has_exclusions":false,"synonyms":[],"inchi":"InChI=1S/C25H20O6/c26-19-6-1-15(2-7-19)11-18-13-24(16-3-8-20(27)9-4-16)31-25(30)22(18)12-17-5-10-21(28)14-23(17)29/h1-10,13-14,26-29H,11-12H2","m_plus_h":"417.1333","m_plus_na":"439.1152","origin_reference":{"doi":"10.1021/acs.jnatprod.9b00885","pmid":31977209,"authors":"Berscheid, Anne; Breinlinger, Steffen; Enke, Heike; Kossack, Ronja; Moschny, Julia; Nguyen, Trang; Niedermeyer, Timo H. 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. 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