1. Department of Chemistry, Yale University, New Haven, CT 06511, USA.
2. Chemical and Biological Instrumentation Center, Yale University, New Haven, CT 06511, USA.
3. Rigaku Americas Corporation, The Woodlands, TX 77381, USA.
4. Department of Pharmacology, Yale School of Medicine, New Haven, CT 06510, USA.
5. Department of Therapeutic Radiology, Yale School of Medicine, New Haven, CT 06510, USA.