2,4-Imidazolidinedione, 3-[[bis(1-methylethyl)amino]methyl]-5-[[3-[(E)-[1-[[bis(1-methylethyl)amino]methyl]-2,5-dioxo-4-imidazolidinylidene]methyl]phenyl]methylene]-, (5Z)- AIDS-051185 AIDS051185 NSC659429