This invention relates to novel sodium salt forms of the following Compound (1), and methods for the preparation thereof, pharmaceutical compositions thereof, and their use in the treatment of Hepatitis C viral (HCV) infection:本發明係關於以下化合物(1)之新穎鈉鹽形式,及其製備方法、其醫藥組合物及其在治療C型肝炎病毒(HCV)感染中之用途: