2-(5-Ethyl-2-furoyl)guanidine 2-Furancarboxamide, N-(aminoiminomethyl)-5-ethyl- 5-18-06-00229 (Beilstein Handbook Reference) 62120-06-3 BRN 1641864 N-(Aminoiminomethyl)-5-ethyl-2-furancarboxamide