Baker,B.R.; Ashton,W.T.
Journal of Medicinal Chemistry, 1970 , vol. 13, p. 1165 - 1170

Asagarasu, Akira; Uchiyama, Taketo; Achiwa, Kazuo
Chemical and Pharmaceutical Bulletin, 1998 , vol. 46, # 4 p. 697 - 703

Hirst, Gavin C.; Aquino, Christopher; Birkemo, Lawrence; Croom, Dallas K.; Dezube, Milana; Dougherty Jr., Robert W.; Ervin, Gregory N.; Grizzle, Mary K.; Henke, Brad; James, Michael K.; Johnson, Michael F.; Momtahen, Tanya; Queen, Kennedy L.; Sherrill, Ronald G.; Szewczyk, Jerzy; Willson, Timothy M.; Sugg, Elizabeth E.
Journal of Medicinal Chemistry, 1996 , vol. 39, # 26 p. 5236 - 5245