The present disclosure provides STING modulators/agonists, and methods of synthesis and methods for using for the prophylaxis or treatment of cancer and other STING-related diseases. The present disclosure relates to a compound represented by the Formula (I): wherein each symbol is as defined in the description, or a pharmaceutically acceptable salt thereof.本發明提供STING調節劑/促效劑及合成方法,以及用於預防或治療癌症及其他STING相關疾病之方法。本發明係關於由式(I)表示之化合物: 其中每一符號係如本說明書中所定義,或其醫藥學上可接受之鹽。