Staab, Heinz A. Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society;
http://onlinelibrary.wiley.com/doi/10.1002/ange.19560681907/epdf (Any fulltext)
https://dx.doi.org/10.1002/ange.19560681907 (Any fulltext)
Staab, H. A. (1956). N,N′-Diacetyl-histamin. Angewandte Chemie, 68(19), 616. doi:10.1002/ange.19560681907.