8-氯-3-甲基-[1,2,4]噻唑并[4,3-a]吡嗪

8-Chloro-3-methyl-1,2,4-triazolo[4,3-a]pyrazine is used as a reagent to synthesize derivatives of Formycin, a C-nucleoside antibiotic that inhibits the influenza A virus and is also known to replace adenosine during transcription.