1. Department of Pharmaceutical Chemistry, University of Kansas, 226 Simons, 2095 Constant Avenue, Lawrence, Kansas 66047, Department of Pharmacology and Toxicology, University of Kansas, Malott Hall 5064, 1251 Wescoe Hall Drive, Lawrence, Kansas 66045, Department of Medicinal Chemistry, University of Kansas, Malott Hall 4070, 1251 Wescoe Hall Drive, Lawrence, Kansas 66045, and Department of Molecular Biosciences, University of Kansas, Haworth Hall 2034, 1200 Sunnyside Avenue, Lawrence, Kansas 66045