1. Drug Discovery Program and Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, 833 South Wood Street, Chicago, IL 60612, USA
2. Medicinal Chemistry and Natural Products University of North Carolina School of Pharmacy Campus Box 7360 Beard Hall, Room 327A Chapel Hill, NC 27599-7360, USA
3. National Institute of Mental Health Psychoactive Drug Screening Program and Departments of Biochemistry, Psychiatry, Neurosciences, and Oncology Case Western Reserve University Medical School 2109 Adelbert Road, SOM W441 Cleveland, OH 44106, USA