1. Institute
for Molecular Design and Synthesis, School of Pharmaceutical Science
and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, P. R. China
2. Chemical
Industries Research Division, Department of Photochemistry, National Research Centre, 33 El Buhouth Street, Giza 12622, Egypt
3. Department
of Chemistry, University of Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland