6,6'-Guanidin-1,3-ylenebis(4-amino-1-methylcinnolin-1-ium iodide) Cinnolin-1-ium, 6,6'-guanidin-1,3-ylenebis(4-amino-1-methyl-, diiodide GE3638000 N(sup 1),N(sup 3)-Bis(4'-aminocinnolyl-6')guanidine dimethiodide