对中间体和最终产物螺虫乙酯进行了纯化，采用质谱、核磁氢谱、红外光谱等进行了表征。
Intermediate products and Spirotetramat were purified, and their structures were characterized by MS, 1H NMR and IR.
对中间体和最终产物螺虫乙酯进行了纯化，采用质谱、核磁氢谱、红外光谱等进行了表征。
Intermediate products and Spirotetramat were purified, and their structures were characterized by MS, 1H NMR and IR.
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