1. Santa Clara University, Department of Chemistry & Biochemistry, Santa Clara, California 95053, United States
2. Department of Chemistry and Biochemistry, Colorado College, 14 E. Cache La Poudre Street, Colorado Springs, Colorado 80903, United States
3. Department of Chemistry, Goshen College, 1700 South Main Street, Goshen, Indiana 46526, United States
4. Center for Natural Products Research, Faculty of Chemistry, University of Havana, Zapata y G, 10400, La Habana, Cuba
5. Community for Open Antimicrobial Drug Discovery, Centre for Superbug Solutions, Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Queensland 4072, Australia
6. Department of Chemistry and Chemical Biology, Indiana University Purdue University Indianapolis, 402 N. Blackford Street, Indianapolis, Indiana 46202, United States