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ETHYL 7-AMINO-2-(METHYLTHIO)[1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLATE 2-(METHYLTHIO)[1,2,4]TRIAZOLO[1,5-A]PYRIMIDIN-7-AMINE 7-Hydroxy-5-methyl-1,3,4-triazaindolizine 5,7-DIMETHYL-1,3,4-TRIAZAINDOLIZINE 5,7-DIMETHYL[1,2,4]TRIAZOLO[1,5-A]PYRIMIDIN-2-YLHYDROSULFIDE 5-METHYL-[1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE