Synonyms: Pyrimidinetetramine sulphate;Pyrimidinetetramine, sulfate;pyrimidine-2,4,5,6-tetramine; sulfuric acid;2,4,5,6-Tetraaminopyrimidine sulfate;2,4,5,6-TETRAAMINO PYRIMIDINE SULFATE;pyrimidinetetramine sulfate;2,4,5,6-tetraaminopyrimidine sulfate;