Thibetanosides E-H (1-4),four new steroidal constituents including three rare sulfonates (2-4),were isolated from the ro......

The present study was designed to determine the chemical constituents of the stem tuber ofPinellia pedatisecta.The chemi......

妇清雪莲栓是采用超临界CO2 萃取工艺开发并已完成‖期临床试验的中药新药，具有显 著的抗菌、消炎作用，主要用于细菌、霉菌及滴虫性......

Three new saponins(1-3)and a new natural product(4)together with six known compounds were isolated from the whole plant ......

Taxol, an important and expensive anticancer drug, was found in extremely low amount in Taxus brevifolia bark.Recently, ......

　　Objective In order to develop the marine organic resource,and based on OSMAC strategy,research anti-tumor activity s......

Indium selenide,a Ⅲ-Ⅴ group semiconductor with layered structure,attracts intense attention in various photoelectric a......

从中国南沙海域采集的豆荚软珊瑚(Lobophytum sp.)中分离得到两个甾醇C30H50O和C28H50O4.利用IR,NMR,MS等波谱和光谱技术,确定了它......