Biological Activity Assays:.

1. Prof. Dr. Muhammad Iqbal Choudhary, H.I., S.I., T.I.Director International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270 Pakistan.
2. Prof. Dr. Farid A. Badria, Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura 35516 Egypt.
3. Dr. Marwa M. Abu-Serie, Medical Biotechnology Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Egypt.

Molecular Docking Studies:.

1. Prof. Dr. Zaheer Ul-Haq; Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75210, Pakistan.
2. Dr. Yaseen A. M. M. Elshaier, Department of Organic and Medicinal chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, Menoufiya 32958, Egypt.
3. Dr. Mohamed Teleb; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Alexandria University, Alexandria, 21521, Egypt.

Computational Study:.

1. Dr.  Saied M. Soliman; Department of Chemistry, Faculty of Science, Alexandria University, P.O. Box 426, Ibrahimia, Alexandria 21321, Egypt.

Single Crystal X-Ray Diffraction Analysis:.

1. Prof. Dr. Hoong-Kun Fun, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box. 2457 - Riyadh 11451, Kingdom of Saudi Arabia.
2. Dr. Hazem A. Ghabbour; Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt.
3. Dr. Sammer Yousuf; H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
4. Prof. Dr. Matti Haukka; Department of Chemistry, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland.