Isolation and Identification of 2-(1′, 2′, 3′, 4′-Tetrahydroxybutyl)-6-(2″, 3″, 4″-Trihydroxybutyl)-Pyrazine from Panax pseudoginseng var notoginseng
LI Qi,YAN Aixin,YE Yunhua,XING Qiyi
Acta Scientiarum Naturalium Universitatis Pekinensis . 2001, (2): 286 -288 .