Conclusion The modification of a 1,4-oxazine-2-one ring fused with positions 9 and 10 of A-ring will reduce the antitumor activity of camptothecins.
结论喜树碱A环的9，10位增加一个“1，4 氧嗪2 酮”六元环后，其抗肿瘤活性要比喜树碱或10 羟基喜树碱的活性降低。
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；
The fluorescence quantum efficiency of oxazine 1perohlorate in1-dichloro-ethane was measured with photoacoustic speetroscopy in which the fluorescence quenching wag used.
利用光声光谱技术，采取猝灭的方法对（口恶）嗪1高氯酸盐的二氯乙烷溶液进行荧光量子效率的测量。
The fluorescence quantum efficiency of oxazine 1perohlorate in1-dichloro-ethane was measured with photoacoustic speetroscopy in which the fluorescence quenching wag used.
利用光声光谱技术，采取猝灭的方法对（口恶）嗪1高氯酸盐的二氯乙烷溶液进行荧光量子效率的测量。
应用推荐