It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了差体和差化的定义。差化技术在医药和农药中间体中应用广,前景广阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差四环素和差金霉素杂质组分。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了差异构和差异构化的定义。差异构化技术在医药和农药中间中应用广,前景广阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金霉样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉样品中含有、差异构和差异构金霉杂质组分。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了差向异构和差向异构化的定义。差向异构化技术在医药和农药中间中应用广,前景广阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析,测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了差向异构体和差向异构化的定义。差向异构化技术在医和间体应用广,前景广阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测霉素样品含有四环素、差向异构四环素和差向异构霉素杂质组分。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了差向异构体和差向异构化的定义。差向异构化技术在医药和农药中间体中应,阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了差向异构和差向异构化的定义。差向异构化技术在医药和农药中间中应用广,前景广阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金品中含有四环、差向异构四环和差向异构金杂质组分。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了差向异差向异化的定义。差向异化技术在医药农药中间中应用广,前景广阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金霉素样品液相色谱图以及液相色谱峰对应的谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差向异四环素差向异金霉素杂组分。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了差向和差向化的定义。差向化技术在医药和农药中间中应用广,前景广阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,霉素样品中含有四环素、差向四环素和差向霉素杂质组分。

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .

阐述了向异构体和向异构化的。向异构化技术在医药和农药中间体中应用广,前景广阔。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金霉素样品色谱图以色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、向异构四环素和向异构金霉素杂质组分。