nitroguanidine 1-nitroguanidine InChI=1S/CH4N4O2/c2-1(3)4-5(6)7/h(H4,2,3,4) Gmelin:164455 0 Beilstein:1756640 104.06810 CHEBI:39180 104.03343 chebi_ontology CH4N4O2 IDCPFAYURAQKDZ-UHFFFAOYSA-N NC(=N)N[N+]([O-])=O 1-nitroguanidine 2-nitroguanidine one-carbon compound