Sowmithri, Sudharshanacharyulu, et al. “Design and Synthesis of Novel Piperazine (2-Chloroethyl)-1-Nitrosourea Analogues As Anticancer Agents”. Asian Journal of Chemistry, vol. 34, no. 3, Feb. 2022, pp. 591-6, doi:10.14233/ajchem.2022.23552.