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......

The mechanism of the formation of a key tricyclic lactam intermediate 3 was studied. It was found that the E-form compou......

An analog of phthalascidin (Pt-650) was synthesized with an improved synthetic route.With precursor 2 as the starting ma......