Malik, Suman, et al. “Synthesis and Physico-Chemical Characterization and Biological Activity of Fe(II) and Zn(II) Complexes of Rabeprazole”. Asian Journal of Chemistry, vol. 22, no. 10, Aug. 2010, pp. 7897-02, https://asianpubs.org/index.php/ajchem/article/view/12078.