1. Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad44000, Pakistan
2. Department of Pharmacy, Kohat University of Science and Technology,Kohat2600, Pakistan
3. Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai200240, PR China
4. Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai200240, PR China
5. Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028Oradea, Romania