1. Life Sciences InstituteUniversity of Michigan 210 Washtenaw Ave. Ann Arbor MI 28104 USA
2. Department of Medicinal ChemistryUniversity of Michigan 428 Church St. Ann Arbor MI 48109 USA
3. Program in Chemical BiologyUniversity of Michigan 210 Washtenaw Ave. Ann Arbor MI 48109 USA
4. Graduate School of Pharmaceutical SciencesKumamoto University 5-1 Oe-honmachi Kumamoto 862-0973 Japan
5. State Key Laboratory of Microbial TechnologyShandong University Qingdao Shandong 266237 China
6. Department of ChemistryColorado State University 1301 Center Ave. Fort Collins CO 80523 USA
7. Department of Microbiology and ImmunologyUniversity of Michigan Medical School 1150W. Medical Center Drive Ann Arbor MI 48109
8. Department of ChemistryUniversity of Michigan 930N. University Ave. Ann Arbor MI 48109 USA