Kadu, M.V., and V.S. Jamode. “Synthesis of 3,5-Diaryl-4-Benzoyl-1-Pyridoyl-Δ2-Pyrazolines ”. Asian Journal of Chemistry, vol. 10, no. 2, Mar. 2010, pp. 367-9, https://asianpubs.org/index.php/ajchem/article/view/23618.