Abstract Two new steroids Zhonghualiaoine I ( 1 ) and Zhonghualiaoine II ( 2 ) were isolated along with seven known compounds from Polygonum nodosum pers (Chinese name “Zhonghualiao”, Berberidaceae). Their structures were deduced on the basis of spectral data.
薰硝壤
不配.
彭于彦祖
Leonardi
pcr163
Henry
shinysparrow
starofjlu
马大翔
quhayley
Miller
加菲丰丰
五十一笑声
25号底片
爱静静
科研文献搬运工
竹筏过海
tuanheqi
寻道图强
顺利的伊
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