1. Division of Medicinal Chemistry & Pharmacognosy, 500 W. 12th Ave, The Ohio State University, Columbus, OH 43210, USA
2. Chemistry Department, Faculty of Science, Zagazig University, Zagazig, Egypt
3. Division of Medicinal Chemistry & Pharmacognosy, 500 W. 12th Ave, The Ohio State University, Columbus, OH 43210, USA.