朱元龙等曾从其根中分得三种生物碱，即黄草乌碱甲（vilmorrianineA）、碱乙（vilmorrianineB）和另一微量成分，均未确定化学结构。
Three alkaloids , vilmorrianine A , B and a minor component , had been isolated previously from its roots by Zhu Yuan-lung and Zhu Ren-hung , but their structures were not determined .
朱元龙