1. Department
of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S2, Canada
2. Life
Sciences Division, TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
3. Department
of Molecular Oncology, BC Cancer Agency, Vancouver, British Columbia V5Z 1L3 Canada
4. Medicinal Chemistry,
Roche Pharma Research and Early Development (pRED), Roche Innovation
Center Basel, F. Hoffmann-La Roche Ltd, Grenzacherstrasse 124, CH-4070 Basel, Switzerland