epimerism

常見例句

It elaborates the definitions of epimer and epimerization, states the applications of epimerization in medicine and pesticide,and points out its expansive prospect .
闡述了差向異構體和差向異構化的定義。差向異構化技術在醫(yī)藥和農(nóng)藥中間體中應用廣泛,前景廣闊。
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.
結果得到金霉素樣品液相色譜圖以及液相色譜峰對應的一級質譜圖。對譜圖進行分析歸納,推測金霉素樣品中含有四環(huán)素、差向異構四環(huán)素和差向異構金霉素雜質組分。
Keywords Luminescent bacterium;Tetracycline;Epimer;Veterinary medicine;
發(fā)光菌;四環(huán)素;差向異構體;獸藥;
The isolation and identification of two new epimer from the mother liquid of testosterone
睪丸素母液中兩個新差向異構體的分離與結構鑒定
Isolation and identification of two new epimer from the mother liquid of megestrol acetate
安宮黃體酮母液中兩個新化合物的分離與結構鑒定
Keywords Two-dimensional NMR;Chemical shift;Methyl gibbercllate;Epimer;Configuration .;
化學位移;赤霉酸甲酯;差向異構體;構型;