50-01-1 (HCL) 593-85-1 (CARBONATE, 2:1) 594-14-9 (SULFATE, 2:1) AIDS-122342 AIDS122342 Bisguanidinium sulfate Carbamidine Guanidine Guanidine, Hydrochloride Guanidine, sulfate (2:1) Guanidinium sulfate NSC7296 (SULFATE, 2:1)