The present invention relates to novel antiviral compounds with specific stereoconfiguration, especially to specific novel enantiomers, to a process for their preparation and to their use as medicaments, in particular as antiviral medicaments.本發明相關於一種新穎的抗病毒化合物,其具有特定之立體構形,本發明尤其相關於一種特定之新穎鏡像異構物、其製備方法以及使用其作為藥物之用途,尤其是作為抗病毒藥物之用途。