1 Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA.
2 Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA.
3 Departments of Immunology, Infectious Disease and Ophthalmology (I2O), Medicinal Chemistry and Lead Discovery, Roche Pharma Research and Early Development, Roche Innovation Center Basel, Basel, Switzerland.
4 Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA. Andrew_Kruse@hms.harvard.edu.
5 Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, USA. kahne@chemistry.harvard.edu.