1. Center
for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, 789 South Limestone Street, Lexington, Kentucky 40536, United States
2. Pharmaceutical
Sciences Division, University of Wisconsin—Madison, 777 Highland Avenue, Madison, Wisconsin 53705, United States
3. National
Magnetic Resonance Facility at Madison, University of Wisconsin—Madison, 433 Babcock Drive, Madison, Wisconsin 53706, United States