108414-87-5 3-Amino-N-(aminoiminomethyl)-5-((3-aminophenyl)amino)-6-chloropyrazinecarboxamide 5-APA 5-N-(3-Aminophenyl)amiloride Pyrazinecarboxamide, 3-amino-N-(aminoiminomethyl)-5-((3-aminophenyl)amino)-6-chloro-