1. Institute for Chemical
and Bioengineering,
Department of Chemistry and Applied Biosciences, ETH Zurich, Hönggerberg, HCI, Wolfgang-Pauli-Str.
10, CH-8093 Zurich, Switzerland
2. Chemistry Department, Faculty
of Science, King Abdulaziz University,
P.O. Box 80203, Jeddah 21589, Saudi Arabia