P. Palanisamy, S. Sudhakar and S. Kumaresan 2015. 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 Journal of Pharmaceutical Sciences. 3, 3 (Mar. 2015), 553–564.