@misc{indiciae961a6d75ad19,
  title = {Diterpene derivative and chromone from Hypericum perforatum.},
  author = {Ming De Shan and Tian Ying An and Li Hong Hu and Zhong Liang Chen},
  year = {2004},
  doi = {10.1080/1478641031000111552},
  url = {https://pubmed.ncbi.nlm.nih.gov/14974612/},
  note = {Source identifier: 14974612}
}