4-Methyl-1,3,3a,7-tetraaza-3aH-inden-6-ol

5-HYDROXY-7-METHYL-1,3,4-TRIAZAINDOLIZINE

7-METHYL-[1,2,4]TRIAZOLO[1,5-A]PYRIMIDIN-5-OL

7-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one

5-METHYL-7-HYDROXY-1,2,4-TRIAZOLO-(1-5-ALPHA)-PYRIMIDINE