@misc{indiciaed828b58a8e1f,
  title = {[Neolignans from Piper polysyphorum C.DC].},
  author = {Y Ma and G Q Han and C L Li and J R Cheng and B H Arison and S B Hwang},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1957684/},
  note = {Source identifier: 1957684}
}