is conjugate acid of guanidinium +1 60.056 60.07856 Beilstein:1902006 CH6N3 CHEBI:30087 Gmelin:239627 InChI=1S/CH5N3/c2-1(3)4/h(H5,2,3,4)/p+1 NC(N)=[NH2+] ZRALSGWEFCBTJO-UHFFFAOYSA-O [C(NH2)3](+) chebi_ontology diaminomethaniminium guanidine guanidinium guanidine guanidinium ion carbamimidoylazanium