1. Department of Pharmaceutical Chemistry, University of Kansas, 2095 Constant Avenue, Lawrence, Kansas 66047, United States
2. Department of Chemistry, University of Kansas, 1251 Wescoe Hall Drive, Lawrence, Kansas 66047, United States
3. Department of Chemical and Petroleum Engineering, University of Kansas, , 4132 Learned Hall, 1530 W. 15th, Lawrence, Kansas 66045, United States