1,4-Benzenedicarboximidamide, N-[4-[imino[[4-[imino[[4-[imino(methylamino)methyl]phenyl]amino]methyl]phenyl]amino]methyl]phenyl]-N''-methyl-, pentahydrochloride NSC80974 Terephthalamidine, N'-methyl-N'''-[p-[N'-[p-[N'-[p-(N'-methylamidino)phenyl]amidino]phenyl]amidino]phenyl]-, pentahydrochloride