@misc{indiciaee10c3518da5a,
  title = {[5,4-d] pyrimidine (Persantin)].},
  author = {E BETZ and D BRAASCH and H HENSEL},
  year = {1961},
  url = {https://pubmed.ncbi.nlm.nih.gov/13868680/},
  note = {Source identifier: 13868680}
}