@misc{indiciaeffa2fe94bb4a,
  title = {Penicillin sulfoxides.},
  author = {J M Essery and K Dadabo and W J Gottstein and A Hallstrand and L C Cheney},
  year = {1965},
  doi = {10.1021/jo01023a548},
  url = {https://pubmed.ncbi.nlm.nih.gov/5846177/},
  note = {Source identifier: 5846177}
}