Singh, Surjeet, et al. “Synthetic, Spectroscopic and Biological Studies on Some Μ-Oxy-bis[triphenylantimony(V)]carboxylates and Cyclic Organoantimonates”. Asian Journal of Chemistry, vol. 33, no. 2, Jan. 2021, pp. 387-92, doi:10.14233/ajchem.2021.23045.