@misc{indiciaee93202d8b4ce,
  title = {7-substituted pterins: formation and occurrence.},
  author = {H C Curtius and C Adler and C Heizmann and N Blau and I Rebrin and S Ghisla},
  year = {1992},
  doi = {10.3177/jnsv.38.special\_501},
  url = {https://pubmed.ncbi.nlm.nih.gov/1297797/},
  note = {Source identifier: 1297797}
}