@misc{indiciae663813e94e15,
  title = {Xanthone Derivatives from Polygala nitida.},
  author = {X A S and M G U and C Ortiz and J Jakupovic},
  year = {1990},
  doi = {10.1055/s-2006-960906},
  url = {https://pubmed.ncbi.nlm.nih.gov/17221387/},
  note = {Source identifier: 17221387}
}