@misc{indiciae78fb12b685c1,
  title = {Macrocyclic polyethers and their complexes.},
  author = {C J Pedersen and H K Frensdorff},
  year = {1972},
  doi = {10.1002/anie.197200161},
  url = {https://pubmed.ncbi.nlm.nih.gov/4622977/},
  note = {Source identifier: 4622977}
}