Human embryos of in vitro fertilization(IVF)are often susceptible to developmental arrest,which greatly reduces the effi......

3-CF3S substituted thioflavones and benzothiophenes were achieved via the reactions of AgSCF3 with methylthiolated alkyn......

建立了采用气相色谱-质谱法(GC/MS)确定X胶囊中内容物组成的方法.X胶囊中的内容物研磨成细粉后用乙醚提取,挥干乙醚后,溶于四氢呋......