13034-83-8 2,4(1H,3H)-Pyrimidinedione, 5,6-diamino- 2,4(1H,3H)-Pyrimidinedione, 5,6-diamino-, monohydrochloride 23899-74-3 3240-72-0 42965-55-9 5,6-Diamino-2,4-dihydroxypyrimidine 5,6-Diaminouracil 51171-03-0 63981-35-1 AI3-52130 EINECS 221-809-7