@misc{indiciae77bf8891a4e4,
  title = {[Base substituted purin derivatives. II].},
  author = {G EHRHART},
  year = {1957},
  doi = {10.1002/ardp.19572900103},
  url = {https://pubmed.ncbi.nlm.nih.gov/13412092/},
  note = {Source identifier: 13412092}
}