@misc{indiciae578100458458,
  title = {A stable, biologically active indoxyl.},
  author = {S E Saheb and M J Haddadin},
  year = {1971},
  doi = {10.1021/jm00287a017},
  url = {https://pubmed.ncbi.nlm.nih.gov/4940627/},
  note = {Source identifier: 4940627}
}