105628-33-9 5-Isoquinolinesulfonamide, N-(2-((aminoiminomethyl)amino)ethyl)-1-chloro- N-(2-((Aminoiminomethyl)amino)ethyl)-1-chloro-5-isoquinolinesulfonamide N-(2-Guanidinoethyl)-1-chloro-5-isoquinolinesulfonamide