H.H.W. Thijssen, "A simple method for preparing 2-amino-4-hydroxy-6-formylpteridine, a precursor of the pteridine substrate of dihydropteroate biosynthesis", Analytical Biochemistry, Vol. 54, Iss. 2, 1973, стр. 609-611.
- DOI:
http://dx.doi.org/10.1016/0003-2697(73)90394-1
