1. Department of Pharmaceutics, School of Pharmacy, The Hebrew University of Jerusalem, Jerusalem 91120, Israel, Institute of Chemistry, and Wolfson Centre for Applied Structural Biology, Safra Campus, Givat Ram, The Hebrew University of Jerusalem, Jerusalem 91904, Israel, Bioline Rx, Jerusalem 91450, Israel, and Department of Medicinal Chemistry, University of Florida, Gainesville, Florida 32610-0485