1. Gulab Devi Institute of Pharmacy GDEC Lahore Pakistan
2. Department of Pharmaceutical Chemistry Faculty of Pharmacy Bahauddin Zakariya University Multan 60800 Pakistan
3. Department of Chemistry Government College University 54000 Lahore Pakistan
4. School of Pharmaceutical Science and Technology Tianjin University Tianjin 300072 P. R. China
5. Department of Chemistry University of Lahore Lahore Pakistan
6. Department of Health and Biological Sciences Abasyn University Peshawar 25000 Pakistan
7. Gilbert and Rose-Marie Chagoury School of Medicine Lebanese American University P.O. Box 36 Beirut Lebanon
8. Department of Natural Sciences Lebanese American University P.O. Box 36 Beirut Lebanon
9. Department of Pharmacology and Toxicology College of Pharmacy King Saud University, P.O. Box 2455 Riyadh 11451 Saudi Arabia