1. National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
2. Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
3. ElSohly Laboratories, Inc., 5 Industrial Park Drive, Oxford, MS 38655, United States
4. Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
5. Department of Pharmaceutics and Drug Delivery, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States