| abstract |
The present invention belongs to the field of medicinal chemistry and relates to a class of heterocyclic compounds and applications thereof. Specifically, the present invention provides compounds represented by formula I or their isomers, pharmaceutically acceptable salts, solvates or prodrugs, their The preparation method, the pharmaceutical composition containing these compounds and the application of these compounds or compositions in medicine for treating viral infectious diseases. Part of the compounds of the present invention have better ability to inhibit HCV virus, and are very promising as HCV therapeutic agents. |