1. Department of Chemistry, Irving K. Barber School of Arts and Sciences, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
2. Supra Research and Development, Kelowna, British Columbia V1W 4C2, Canada
3. Department of Biology, Irving K. Barber School of Arts and Sciences, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada