Bhagchandani, Pushpa, and Bhavana Sharma. “Determination of Stability Constants of Some Bivalent Metal Complexes of 2-Amino-5-Methoxybenzene Thiol”. Asian Journal of Chemistry, vol. 16, no. 1, Mar. 2010, pp. 516-8, https://asianpubs.org/index.php/ajchem/article/view/19703.