Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleCation-π Interactions at the Active Site of Factor Xa: Dramatic Enhancement upon Stepwise N-Alkylation of Ammonium Ions.AuthorsSalonen, Laura M.; Bucher, Christoph; Banner, David W.; Haap, Wolfgang; Mary, Jean-Luc; Benz, Jörg; Kuster, Olivier; Seiler, Paul; Schweizer, W. Bernd; Diederich, FrançoisPublicationAngewandte Chemie International Edition, 2009, Vol 48, Issue 4, p811ISSN1433-7851Publication typeArticleDOI10.1002/anie.200804695