Novel compounds are provided having formula (I) where R1, R2, R3, R4, Z, X and * are defined herein. Also provided are antiviral methods for use and processes for synthesis of the compounds of formula (I).
提供具有
化学式(I)的新化合物,其中R1、R2、R3、R4、Z、X和*在此处定义。还提供了用于抗病毒的方法以及合成化合物(I)的过程。