epimer

常见例句

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用广泛,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、差向异构四环素和差向异构金霉素杂质组分。
Keywords Luminescent bacterium;Tetracycline;Epimer;Veterinary medicine;
发光菌;四环素;差向异构体;兽药;
The isolation and identification of two new epimer from the mother liquid of testosterone
睾丸素母液中两个新差向异构体的分离与结构鉴定
Isolation and identification of two new epimer from the mother liquid of megestrol acetate
安宫黄体酮母液中两个新化合物的分离与结构鉴定
Keywords Two-dimensional NMR;Chemical shift;Methyl gibbercllate;Epimer;Configuration .;
化学位移;赤霉酸甲酯;差向异构体;构型;