英文别名4-[(Aminoiminomethyl)amino]benzoic acid; 4-(diaminomethylideneamino)benzoate; Benzoic acid, 4-[(aminoiminomethyl)amino]-; 4-(diaminomethylideneamino)benzoic acid; 4-guanidinobenzoicaci; Nafamostat Impurity 19; 4-((Aminoiminomethyl)amino)benzoic acid