1. Chemistry School of Environmental & Life Sciences The University of Newcastle University Drive Callaghan NSW 2308 Australia
2. Experimental Therapeutics Group Department of Medical Oncology Calvary Mater Hospital Edith Street Waratah NSW 2298 Australia
3. Present address: Department of Chemistry California State University at Sacramento Sacramento CA 95819
4. Research Computing, Information Technology at Purdue (ITaP) Purdue University 155 South Grant Street West Lafayette IN 47907 USA