1. Department of Chemistry, Université de Montréal, Quebec H3C 3J7, Canada
2. Department of Medicinal Chemistry, Ionis Pharmaceuticals, 2855 Gazelle Court, Carlsbad, California 92010, United States
3. Department of Medicinal Chemistry, College of Pharmacy, University of Utah, 2000 East 30 South Skaggs 201, Salt Lake City, Utah 84112, United States