[EN] HETEROCYCLE-SUBSTITUED TETRACYCLIC COMPOUNDS AND METHODS OF USE THEREOF FOR TREATMENT OF VIRAL DISEASES<br/>[FR] COMPOSÉS TÉTRACYCLIQUES SUBSTITUÉS PAR UN HÉTÉROCYCLE ET PROCÉDÉS POUR LES UTILISER POUR LE TRAITEMENT DE MALADIES VIRALES
申请人:MERCK SHARP & DOHME
公开号:WO2014110705A1
公开(公告)日:2014-07-24
The present invention relates to novel Heterocycle-Substituted Tetracyclic Compounds of Formula (I): (I) and pharmaceutically acceptable salts thereof, wherein A, A', R 2 R 3, R 4 and R are as defined herein. The present invention also relates to compositions comprising at least one Heterocycle-Substituted Tetracyclic Compound, and methods of using the Heterocycle-Substituted Tetracyclic Compounds for treating or preventing HCV infection in a patient.