1-Benzyl-4-(guanidinoiminomethyl)piperazine 1-Piperazinecarboxamidine, 4-benzyl- 105735-38-4 4-Benzyl-1-piperazinecarboxamidine 5-23-01-00196 (Beilstein Handbook Reference) 7773-69-5 BRN 0177510