The invention discloses an anti-influenza virus prodrug which is a derivative related to 1, 3-pyrazine oxazine-2, 4 diketone with a chemical structural formula (I);
本发明公开了一种抗流感病毒前体药,是有关1,3-吡嗪并恶 嗪-2,4二酮的衍生物,其化学结构式为;
3
The fluorescence quantum efficiency of oxazine 1perohlorate in1-dichloro-ethane was measured with photoacoustic speetroscopy in which the fluorescence quenching wag used.