epimer

基本解釋

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(gòu)體和差向異構(gòu)化的定義。差向異構(gòu)化技術(shù)在醫(yī)藥和農(nóng)藥中間體中應(yīng)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(jié)果得到金霉素樣品液相色譜圖以及液相色譜峰對(duì)應(yīng)的一級(jí)質(zhì)譜圖。對(duì)譜圖進(jìn)行分析歸納,推測(cè)金霉素樣品中含有四環(huán)素、差向異構(gòu)四環(huán)素和差向異構(gòu)金霉素雜質(zhì)組分。
Keywords Luminescent bacterium;Tetracycline;Epimer;Veterinary medicine;
發(fā)光菌;四環(huán)素;差向異構(gòu)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(gè)新差向異構(gòu)體的分離與結(jié)構(gòu)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(gè)新化合物的分離與結(jié)構(gòu)鑒定