共 3 条
[1]
Qualitative and quantitative analysis of Ephedra alkaloids in Ephedrae herba by Carbon-13 Nuclear Magnetic Resonance. Yamasaki K,Fujita K. Chemical and Pharmaceutical Bulletin . 1979
[2]
Separation and quantitative analysis of Ephedra alkaloids by gas chromatography and its application to evaluation of some Ephedraspecies collected around Himalaya. Yamasaki K,Fujita K,Sakamoto M,et al. Chemical and Pharmaceutical Bulletin . 1974
[3]
Simultancous determination of six alkaloids in Ephedrae herba by high performance liquid chromatography. Zhang J,Tian Z and Lou ZC. Planta Medica . 1988