GUANIDINE GAI NCIOpen2_007946 50-01-1 (HCL) 593-85-1 (CARBONATE, 2:1) 594-14-9 (SULFATE, 2:1) AIDS-122342 AIDS122342 Guanidine, Hydrochloride NSC7296 (SULFATE, 2:1) 4-03-00-00148 (Beilstein Handbook Reference) Aminoformamidine Aminomethanamidine BRN 0506044 Carbamamidine Carbamidine EINECS 204-021-8 Imidourea Iminourea CHEBI:42820 Gu Guanidin H2N-C(=NH)-NH2