Cosford; Bleicher; Herbaut; McCallum; Vernier J.-; Dawson; Whitten; Adams; Chavez-Noriega; Correa; Crona; Mahaffy; Menzaghi; Rao; Reid; Sacaan; Santori; Stauderman; Whelan; et Journal of Medicinal Chemistry, 1996 , vol. 39, # 17 p. 3235 - 3237