adj.差向異構(gòu)體的

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應(yīng)的一級質(zhì)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(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新化合物的分離與結(jié)構(gòu)鑒定