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本文应用高分辨快原子轰击质谱 ( HRFAB- MS)分析了 6个含有二个糖的核苷类似物 ,测定了它们分子离子和特征离子的精确分子量 ,并确定了其分子式。
In this paper, six nucleoside analogues containing two saccharides were analyzed by high resolution fast atom bombardment mass spectrometry (HRFAB-MS). The exact molecular weights of their molecular and characteristic ions were determined and their molecular formulas were determined.