Naresh Yadav, Ram, Jocabed Marquez, Ashok Kumar Srivastava, Amrendra Kumar Singh, and Bimal Krishna Banik. “Novel Synthesis of Bis-Β-Lactams With Unusual 2,7-Phenanthrene and 9,10-Dihydrophenanthrene Derivatives”. Asian Journal of Organic & Medicinal Chemistry 3, no. 3 (September 25, 2018): 85–88. Accessed July 22, 2024. https://asianpubs.org/index.php/ajomc/article/view/15430.