为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Calamistrin E, the first Annonaceous acetogenin with C=C bond in the aliphatic chain from the genus Uvaria was isolated ......

Two mild-cytotoxic bistetrahydrofuran (THF) ring annonaceous acetogenins named calamistrins F (1) and G (2) were isolate......