Four new prenylated flavonoids, glyasperins A, B, C, and D from the roots of Glycyrrhiza aspera

@article{Zeng1992FourNP,
  title={Four new prenylated flavonoids, glyasperins A, B, C, and D from the roots of Glycyrrhiza aspera},
  author={L. Zeng and T. Fikau and T. Nomura and Ru-yi Zhang and Z. Lou},
  journal={Heterocycles},
  year={1992},
  volume={34},
  pages={575-587}
}
Four new prenylated flavonoids, glyasperins A (1), B (2), C (3),n and D (4), along with ten known compounds were isolated from the roots of Glycyrrhiza aspera. The structures of glyasperins A-D were elucidated by spectroscopic methods 
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