Epimers相关论文
A pair of new tirucallane triterpenoid epimers,picraquassins M and N (1 and 2),were isolated from the stems of Picrasma ......
Two epimers,(20S,24R)-epoxy dammarane-3β,12β,25-triol(3)and(20S,24S)-epoxy dammarane-3β,12β,25-triol(4)were prepared......
Stereoselective pharmacokinetic and metabolism studies of 20(S)-and 20(R)-ginsenoside Rg3 epimers in
20(S)-and 20(R)-ginsenoside Rg3 are a pair of epimers which could be deglycosylated to ginsenoside Rh2 and protopanaxadi......
目的:探究不同炮制条件对甘草中主要成分差向异构体与杂质含量及变化规律影响.方法:采用RP-HPLC法,样品取样18α-Gly和18β-Gly及......
Determination of Tetracyclines and Their Epimers in Agricultural Soil Fertilized with Swine Manure b
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Determination of Tetracyclines and Their Epimers in Agricultural Soil Fertilized with Swine Manure b
A rapid,sensitive and specific ultra-high-performance liquid chromatography tandem mass spectrometry (UPLC-MS) method wa......
[摘要] 目的 研究头孢替坦的两个差向异构体d-头孢替坦和l-头孢替坦的转换规律，明确异构体间的转化条件。方法 采用酸、碱、热、氧......
本文采用手性流动相用高效液相色谱法对山良菪碱的合成品直接进行分离。所使用的色谱柱为ODS C<sub>18</sub>柱,手性流动相中的手......
Determination of Tetracyclines and Their Epimers in Agricultural Soil Fertilized with Swine Manure b
A rapid, sensitive and specific ultra-high-performance liquid chromatography tandem mass spectrometry (UPLC-MS) method w......
