1. Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, PC 616, Birkat Al Mauz, Nizwa, Sultanate of Oman
2. Central Instrument Laboratory, College of Agriculture and Marine Sciences, Sultan Qaboos University, Muscat, Oman
3. Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
4. Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan
5. Department of Engineering Technology, College of Technology, University of Houston, Sugar Land, 77479 TX, USA