B. Patel, Nitinkumar, and K.K. Desai. 2010. “2,4-Dihydroxy-5-Nitropropiophenone Oxime As an Analytical Reagent: Studies on Ni(II) and Pd(II) Chelates ”. Asian Journal of Chemistry 15 (2):751-54. https://asianpubs.org/index.php/ajchem/article/view/21694.