1. Department
of Chemistry, University of Texas at Arlington, 700 Planetarium Place, Arlington, Texas 76019, United States
2. CTD Holdings, Inc., 14120 N.W. 126th Terrace, Alachua, Florida 32615, United States
3. Institut
des Sciences Analytiques, CNRS, University of Lyon 1, 5 Rue de la
Doua, 69100 Villeurbanne, France