Benzenecarboximidamide, N-[4-[imino[[4-[imino(methylamino)methyl]phenyl]amino]methyl]phenyl]-4-[[[[4-[imino(methylamino)methyl]phenyl]amino]carbonyl]amino]-, tetrahydrochloride Carbanilide, 4-(N'-methylamidino)-4'-[N'-[p-[N'-[p'-(N'-methylamidino)phenyl]amidino]phenyl]amidino]-, tetrahydrochloride NSC80971