"flaviolin" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "ref": "2015 December 15, “Diversity of ABBA Prenyltransferases in Marine Streptomyces sp. CNQ-509: Promiscuous Enzymes for the Biosynthesis of Mixed Terpenoid Compounds”, in PLOS ONE, →DOI",
          "text": "The preparation of flaviolin was conducted according to protocol of Gross et al.",
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      "glosses": [
        "The naphthoquinone derivative 4,5,7-trihydroxynaphthalene-1,2-dione"
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        "(organic chemistry) The naphthoquinone derivative 4,5,7-trihydroxynaphthalene-1,2-dione"
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  "word": "flaviolin"
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  "lang_code": "en",
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        "(organic chemistry) The naphthoquinone derivative 4,5,7-trihydroxynaphthalene-1,2-dione"
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