benzflavine ; benzoflavine
具有2 -苯基苯并吡喃结构的也称为花青素类色素，为花色索的基元，2 -苯基苯并吡喃酮也称花黄素类。
With 2 - phenyl benzo - pyran structure, also known as anthocyanin pigments, the base element for the flower pigments, 2 - phenyl - benzo - pyrone, also known as anthoxanthin class.
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