3-Methyl-5,6,7,8-tetrahyd...

5,6,7,8-TETRAHYDRO-3-METHYL-1,2,4-TRIAZOLO[4,3-A]PYRAZINE,

3-METHYL-5,6,7,8-TETRAHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE