1. Department of Chemistry, Texas A&M University-Kingsville, MSC 161, 700 University Boulevard, Kingsville, Texas 78363, United States
2. Advanced Light Sources, The Lawrence Berkeley National Laboratory, One Cyclotron
Road, Berkeley, California 94720, United States
3. Chemical Biology Research Group, Texas A&M University-Kingsville, MSC 161, 700 University Boulevard, Kingsville, Texas 78363, United States