Patent application title: SULFUR-HETEROCYCLE EXCHANGE CHEMISTRY AND USES THEREOF Inventors: Ku-Lung Hsu (Charlottesville, VA, US) Heung Sik Hahm (Atlanta, GA, US) Emmanuel K. Toroitich (Charlottesville, VA, US) Jeffrey W. Brulet (Glen Allen, VA, US) Adam L. Borne (Charlottesville, VA, US) Adam Herman Libby (Charlottesville, VA, US) Kun Yuan