This invention relates to novel tris(hydroxymethyl)aminomethane, choline and N-methyl-D-glucamine 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)的新穎參(羥甲基)胺基甲烷鹽形式、膽鹼鹽形式及N-甲基-D-還原葡糖胺鹽形式,及其製備方法,其醫藥組合物,及其用於治療C型肝炎病毒(HCV)感染的用途: