8,8'-[Carbonylbis[imino-3,1-phenylenecarbonylimino(4-methyl-3,1-phenylene)carbonyl-imino]]bis-1,3,5-naphthalenetrisulfonic acid hexasodium salt & DL-.alpha.-Difluoromethylornithine AIDS-080549 AIDS080549 Suramin-DFMO