1. Department of ChemistryNorthwestern University Evanston IL 60208 USA
2. Center for Molecular Innovation and Drug DiscoveryNorthwestern University Evanston IL 60208 USA
3. Department of PharmacologyNorthwestern University Chicago IL 60611 USA
4. Robert H. Lurie Comprehensive Cancer CenterFeinberg School of MedicineNorthwestern University Chicago IL 60611 USA
5. Chemistry of Life Process InstituteNorthwestern University Evanston IL 60208 USA
6. Department of Molecular BiosciencesNorthwestern University Evanston IL 60208 USA
7. Knight Cancer InstituteOregon Health & Science University Portland OR 97239 USA