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应用广,前景广。

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.

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以及液相色峰对应的一级。对进行分析归纳,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.

结果得到金霉素相色谱图以及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药和农药中间体中,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 .

阐述了异构体和异构化的定义。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四、异构四和异构金霉杂质组分。

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

阐述了差向异构体和差向异构化的定义。差向异构化技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.

结果得到金霉素相色谱图以及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.

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 .

阐述了差向体和差向的定义。差向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图以及液相色应的一级质图。图进行分析归纳,推测金霉素样品中含有四环素、差向四环素和差向金霉素杂质组分。

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

阐述了差向体和差向化的定义。差向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环素、差向环素和差向金霉素杂质组分。