Synonyms: 4,5-DIAMINO-2,6-DIHYDROXYPYRIMIDINE SULFATE;4,5-DIAMINO-2,6-DIHYDROXYPYRIMIDINE SULPHATE;4,5-DIAMINO-2,6-DIHYDROXYPYRIMIDINE;4,5-DIAMINOURACIL SULFATE;5,6-DIAMINOURACIL SULFATE;5,6-DIAMINO-2,4-DIHYDROXYPYRIMIDINE;5,6-DIAMINO-2,4-DIHYDROXYPYRIMIDINE SULFATE;5,6-DIAMINO-2,4-DIHYDROXYPYRIMIDINE SULPHATE