1. aTaken in part from the dissertation submitted by H.J. to the Graduate School of Pharmaceutical Sciences, Duquesne University, in partial fulfillment of the requirements for the degree of Ph.D., July 2006.
2. bPresented in part at the 229th American Chemical Society National Meeting, San Diego, CA, March 13−17, 2005; Abstract MEDI-491.
3. cPresented in part at the 13th International Symposium on Chemistry and Biology of Pteridines and Folates, Egmond aan Zee, The Netherlands, June 20−24, 2005; Oral Presentation O04-02.
4. dPresented in part at the 13th International Symposium on Chemistry and biology of Pteridines and Folates, Egmond aan Zee, The Netherlands, June 20−24, 2005; Poster number P-09.
5. ePresented in part at the 231st American Chemical Society National Meeting, Atlanta, GA, March 26−30, 2006; Abstr. MEDI-348.