Analysis of Two Trace Alkaloid Isomers in Strychnos nux-vomical by Electrospray Ionization Tandem Mass Spectrometry
YAN Jing 1,2; LIU Zhi-Qiang* ,1; ZHU Hai-Guang 2; LIU Shu-Ying
Acta Chimica Sinica . 2007, (1): 49 -52 .