Letavic, Michael A.; Barberia, John T.; Carty, Thomas J.; Hardink, Joel R.; Liras, Jennifer; Lopresti-Morrow, Lori L.; Mitchell, Peter G.; Noe, Mark C.; Reeves, Lisa M.; Snow, Sheri L.; Stam, Ethan J.; Sweeney, Francis J.; Vaughn, Marcie L.; Yu, Chul H. Bioorganic and Medicinal Chemistry Letters, 2003, vol. 13, # 19 p. 3243 - 3246 doi: 10.1016/S0960-894X(03)00666-8