Parihar, D.S. “Synthesis and Characterization of Pb(II) Complexes of Macrocycles Derived from 2,3-Butanedione or Benzil and 1,n-Diaminaoalkanes”. Asian Journal of Chemistry 6, no. 4 (March 30, 2010): 921–926. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/24698.