SUSHAMA, P.G., et al. “Antimicrobial and Antifungal Activity of Mn(III) Complexes of 2,5-Dihydroxy-3-Undecyl-1,4-Benzoquinone Derivative”. Asian Journal of Chemistry, vol. 19, no. 5, Mar. 2010, pp. 3403-6, https://asianpubs.org/index.php/ajchem/article/view/13218.