Antiretroviral zinc ejecting agent. Prepn: E. Kun et al., WO 9108902 (1991 to Octamer). Tumoricidal activity: W. G. Rice et al., Proc. Natl. Acad. Sci. USA 89, 7703 (1992). Inhibition of HIV-1 infectivity: W. G. Rice et al., Nature 361, 473 (1993); and site of action: eidem, Proc. Natl. Acad. Sci. USA 90, 9721 (1993); of SIV: A. J. Chuang et al., FEBS Lett. 326, 140 (1993).