* Corresponding authors

^a Department of Pharmacology and Pharmaceutical Sciences, Alfred E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, California 90089, USA
E-mail: clayw@usc.edu, pseidler@usc.edu

^b Department of Chemistry, University of Southern California, Dornsife College of Letters, Arts, and Sciences, Los Angeles, California 90089, USA

^c School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan

^d PhD Program in Clinical Drug Development of Herbal Medicine, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan

^e Department of Chemistry and Biochemistry, California State University, Northridge, Northridge, California 91330, USA