@misc{indiciae3346a92ff13c,
  title = {Dehydro N-mannich bases.},
  author = {A Kreutzberger and M U Uzbek},
  year = {1972},
  doi = {10.1002/anie.197201441},
  url = {https://pubmed.ncbi.nlm.nih.gov/4625333/},
  note = {Source identifier: 4625333}
}