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Carbon‐13 signal assignments of 2′,4′‐dihydroxychalcone, flemichapparin, pashanone, isodidymocarpin, pedicellin, pedicinin, methylpedicinin, didymocarpin‐A and the corresponding quinoflavanone dehydrodidymocarpin‐A are reported.
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Patra et al. (1982) studied this question.
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