tert-Butyl 3-bromo-5,6-dihydro-1,2,4-triazolo[4,3-a]pyrazine-7(8H)-carboxylate

tert-Butyl 3-bromo-5,6-dihydro-1,2,4-triazolo[4,3-a]pyrazine-7(8H)-carboxylate