Chen, Li; Tilley, Jefferson W.; Guthrie, Robert W.; Mennona, Francis; Huang, Tai-Nan; Kaplan, Gerry; Trilles, Richard; Miklowski, Dorota; Huby, Nicolas; Schwinge, Virginia; Wolitzky, Barry; Rowan, Karen Bioorganic and Medicinal Chemistry Letters, 2000 , vol. 10, # 8 p. 729 - 733