1,1'-(5-Methyl-2,4-pyrimidinediyl)bis(3-aminoguanidine) sulfate 2,4-Di(aminoguanidino)-5-methylpyrimidine sulfate 32690-51-0 GUANIDINE, 1,1'-(5-METHYL-2,4-PYRIMIDINEDIYL)BIS(3-AMINO-, SULFATE (1:1)