Desai, J.A., and K.K. Desai. “2-Hydroxy-4-Isopropoxy-5-Bromoacetophenone Oxime As an Analytical Reagent for Cu(II)”. Asian Journal of Chemistry, vol. 16, no. 3, June 2016, pp. 1934-6, https://asianpubs.org/index.php/ajchem/article/view/14441.