The present invention relates to a compound of the formula (I): or pharmaceutically acceptable salt thereof, wherein the symbols are as defined in the specification; a pharmaceutical composition comprising the same, a method for treating or preventing a viral infection using the same.
本发明涉及一种化合物,其
化学式为(I)或其药用可接受的盐,其中符号如规范中定义;包括相同化合物的药物组合物,以及使用相同化合物治疗或预防病毒感染的方法。