Two new dammarane-type sapogenins from Gynostemma pentaphyllum
Xia Li, Jia Qing Cao, Lin Shi, Yu Qing Zhao
Two new dammarane-type sapogenins from Gynostemma pentaphyllum
Xia Li, Jia Qing Cao, Lin Shi, Yu Qing Zhao
中国化学快报 . 2011, (12): 1461 -1464 .  DOI: 10.1016/j.cclet.2011.09.003