1. Merck & Co., Inc. 126 E. Lincoln Ave 07065 Rahway NJ USA
2. Pharmaceutical Sciences Division University of Wisconsin–Madison 777 Highland Ave 53705 Madison WI USA
3. Current address: Department of Chemistry Institute of Biomolecular Design & Discovery Yale University 06516 West Haven CT USA
4. Department of Cell and Regenerative Biology University of Wisconsin–Madison 1111 Highland Ave 53705 Madison WI USA
5. Human Proteomics Program School of Medicine and Public Health University of Wisconsin–Madison 1111 Highland Ave 53705 Madison WI USA
6. Department of Chemistry University of Wisconsin–Madison 1101 University Ave 53706 Madison WI USA
7. Lachman Institute for Pharmaceutical Development University of Wisconsin–Madison 600 Highland Ave 53792 Madison WI USA