Muehlemann Pharmaceutica Acta Helvetiae, 1948 , vol. 23, p. 257,263 Full Text Show Details Shah, Jamshed H.; Swartz, Glenn M.; Papathanassiu, Adonia E.; Treston, Anthony M.; Fogler, William E.; Madsen, John W.; Green, Shawn J. Journal of Medicinal Chemistry, 1999 , vol. 42, # 16 p. 3014 - 3017