Reichard, Gregory A.; Stengone, Carmine; Paliwal, Sunil; Mergelsberg, Ingrid; Majmundar, Sapna; Wang, Cheng; Tiberi, Robert; McPhail, Andrew T.; Piwinski, John J.; Shih, Neng-Yang Organic Letters, 2003 , vol. 5, # 23 p. 4249 - 4251