Affiliation: | 1.Department of Photochemistry, National Research Centre, P.O. Box 12622, Cairo, Dokki, Egypt ;2.Applied Organic Chemistry Department, National Research Center, P.O. Box 12622, Cairo, Dokki, Egypt ;3.Department of Chemistry, College of Science, Qassim University, 51452, Buraydah, Saudi Arabia ;4.Department of Tanning Materials and Leather Technology, National Research Centre, Dokki, Giza, 12622, Egypt ; |