Banda Upender Reddy, Bojja Rajeshwar Rao, and Battu Satyanarayana. “AM1 Study on the Conformations and Electronic Properties of Phenethicillin”. World Journal of Pharmaceutical Sciences 2, no. 10 (October 1, 2014): 1277–1282. Accessed June 28, 2025. https://www.wjpsonline.com/index.php/wjps/article/view/conformations-electronic-properties-phenethicillin.