@misc{indiciae30fba95adbd3,
  title = {[Condensed pyrans].},
  author = {K E Schulte and V von Weissenborn and G L Tittel},
  year = {1970},
  doi = {10.1002/cber.19701030428},
  url = {https://pubmed.ncbi.nlm.nih.gov/5440273/},
  note = {Source identifier: 5440273}
}