P. Palanisamy, S. Sudhakar, and S. Kumaresan, “Studies on 6,11-Bisthiatetracyclic- and pentacyclic Steroidal Analogues: Syntheses, Characterization, Antimicrobial-, Antituberculosis-, Antitumor- and DNA Cleavage Activity of New Pyrazole-, Isoxazole-, Pyrimidine-, and Benzodiazepine Frameworks”, World J Pharm Sci, vol. 3, no. 3, pp. 553–564, Mar. 2015.