1. Fisheries and Oceans Canada, Science Branch, Special Projects, P.O. Box 5667, St. John’s NL A1C 5X1, Canada, Department of Biochemistry, Memorial University of Newfoundland, St. John's NL A1B 3X1, Canada, Biochemistry Group & Biomolecular Analysis Mass Spectrometry Facility, University of Wales Swansea, Wallace Building, Singleton Park, Swansea SA2 8PP, United Kingdom, Department of Chemistry, University of Antwerp, Nucleoside Research and Mass Spectrometry Unit, Groenenborgerlaan, 171, B-2020 Antwerp,...