Use of an active ingredient in the manufacture of a medicament is provided, wherein the medicament is used for treating melanoma, and the active ingredient is selected from the following group: a compound of formula (I), a pharmaceutically acceptable salt of the compound of formula (I), and combinations thereof,.一種使用一活性成分於製造一藥劑的用途,其中,該藥劑係用於治療黑色素瘤,且該活性成分係選自以下群組:式(I)化合物、其醫藥上可接受之鹽、及前述之組合,。