1. Bio-organic
Chemistry Laboratory, Institut de Recherches Cliniques de Montréal (IRCM), Montréal, Québec H2W 1R7, Canada
2. Department
of Chemistry, McGill University, Montréal, Québec H3A 2K6, Canada
3. Department
of Chemistry, Université de Montréal, Montréal, Québec H3C 3J7, Canada