Contribution from the Ottawa-Carleton Chemistry Institute, Carleton University, Ottawa, Ontario, K1S 5B6, Canada, Centre for Biologics Research, Biologics and Genetic Therapies Directorate, Health Canada, Tunney's Pasture, Ottawa, Ontario, Canada K1A 0L2, and National Research Council of Canada, Ottawa, Ontario, Canada K1A 0R6 (At 2004-05-26)
