1. Department of Chemistry; Oregon State University; Corvallis OR USA
2. National Research Centre; Department of Organometallic and Organometalloid Chemistry; Cairo Dokki Egypt
3. Linus Pauling Institute; Oregon State University; Corvallis OR USA
4. Department of Pharmaceutical Sciences; Oregon State University; Corvallis OR USA
5. Department of Biochemistry and Biophysics; Oregon State University; Corvallis OR USA