阅读说明：本技术 环二核苷酸类化合物及其应用 (Cyclic dinucleoside compound and application thereof ) 是由 郭淑春 彭建彪 刘洋 郭海兵 于 2019-10-12 设计创作，主要内容包括：提供了式(Ⅰ)所示化合物、其光学异构体及其药效上可接受的盐,以及该化合物作为STING激动剂的应用。(Provided are compounds represented by formula (I), optical isomers thereof, pharmaceutically acceptable salts thereof, and use of the compounds as STING agonists.)