2-Amino-4,6-dihydroxypyrimidine 2-Aminopyrimidine-4,6-diol 2-Iminobarbituric acid 4,6(1H,5H)-Pyrimidinedione, 2-amino- 4,6(1H,5H)-Pyrimidinedione, dihydro-2-imino- 40497-31-2 4425-67-6 AI3-52133 EINECS 224-603-5 Guanidine, malonyl- Malonylguanidine NSC 227875