6405-80-7 Benzenesulfonic acid, 4-[[[(aminoiminomethyl)amino]iminomethyl]amino]- N-(Amidinoamidino)sulfanilic acid NSC17580 Phenylbiguanide-p-sulfonic acid Sulfanilic acid, N-(amidinoamidino)- WLN: WSQR DMYUM&MYZUM