Sharma, K.V., and Vandana Sharma. “Antiinflammatory Activity of 5-(2’-Hydroxyphenyl)-3-Phenyl Pyrazolinates of Co(II), Ni(II), Cu(II): A Comparative Study”. Asian Journal of Chemistry, vol. 20, no. 8, Mar. 2010, pp. 6213-6, https://asianpubs.org/index.php/ajchem/article/view/12961.