114568-26-2 Benzoic acid, 4-((aminoiminomethyl)amino)-, 4-((2-(2,5-dioxo-1-pyrrolidinyl)ethyl)thio)phenyl ester E 3123 Patamostat Patamostat [INN] p-((2-Succinimidoethyl)thio)phenyl p-guanidinobenzoate