Kamel, M. M., M. K. Abdel-hameid, H. B. El-Nassan, and E. A. E. - Khouly,
"Synthesis and Cytotoxic Activity of Novel Mono- and Bis-Indole Derivatives: Analogues of Marine Alkaloid Nortopsentin",
Medicinal Chemistry, vol. 17, issue 7, pp. 779 - 789, 2021.