EP3849987A1 - TERT-BUTYL (S)-2-(4-(PHENYL)-6H-THIENO[3,2-F][1,2,4]TRIAZOLO[4,3-A] [1,4]DIAZEPIN-6-YL) ACETATE DERIVATIVES AND RELATED COMPOUNDS AS BROMODOMAIN BRD4 INHIBITORS FOR TREATING CANCER