(Rac) -EBET-1055 is the racemate of EBET-1055. EBET-1055 is a bromodomain and extra-terminal (BET) PROTAC degrader. EBET-1055 effectively inhibits the growth of pancreatic ductal adenocarcinoma (PDAC). EBET-1055 also simultaneously modulates cancer-associated fibroblast (CAF) activity, upregulating all reporter gene activities in organoid co-cultures[1].