Srivastava, M.K., et al. “Synthesis and Characterized of Some 3-Amino-Alkyl Aryl-3,4Dihydr-4-Oxoquinazolines and Their Acyl Derivateives”. Asian Journal of Chemistry, vol. 12, no. 1, Mar. 2010, pp. 243-6, https://asianpubs.org/index.php/ajchem/article/view/22912.